Document:

Viscorp, Inc. Exhibit 4.6 1/18/2008

EXHIBIT B-2

NEITHER THE OFFER NOR THE SALE OF THIS CLASS A WARRANT OR THE SHARES ISSUABLE UPON THE EXERCISE OF THIS CLASS A WARRANT HAS BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”).  EXCEPT AS OTHERWISE SET FORTH HEREIN OR IN A SECURITIES PURCHASE AGREEMENT DATED AS OF JANUARY 16, 2008, NEITHER THIS CLASS A WARRANT NOR ANY OF SUCH SHARES MAY BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR SUCH SECURITIES UNDER THE ACT OR AN OPINION OF COUNSEL, IN FORM, SUBSTANCE AND SCOPE, CUSTOMARY FOR OPINIONS OF COUNSEL IN COMPARABLE TRANSACTIONS, THAT REGISTRATION IS NOT REQUIRED UNDER THE ACT OR UNLESS SOLD PURSUANT TO RULE 144 OR REGULATION S UNDER THE ACT.

CLASS B STOCK PURCHASE CLASS A WARRANT

THIS CERTIFIES THAT, for value received, _______________________________, or its registered assigns, (the “Holder”) is entitled to purchase from VISCORP, INC. (to be renamed Tianyin Pharmaceutical Co., Inc.), a Delaware corporation, (the “Company”), at any time or from time to time during the period specified in Section 2 hereof, that that number of shares of the Company’s Common Stock, without par value per share (the “Common Stock”), as shall be equal to fifty percent (50%) of the number of shares of Common Stock (the “Conversion Shares”) that are issuable upon conversion of the amount of Series A Preferred Stock of the Company to be received by the Holder in exchange for his or its Note, all pursuant to the terms and conditions of the “Securities Purchase Agreement” (as hereinafter defined), at an exercise price of equal to (U.S.) $3.00 per share (the “Exercise Price”). 

As used herein, the term “Class B Warrant Shares” shall mean the shares of Common Stock that are purchasable hereunder.  The number of Class B Warrant Shares and the Exercise Price per Class B Warrant Share are subject to adjustment as provided in Section 4 hereof.  The term “Class B Warrants” means this Class B Warrant and the other Class B Warrants issued pursuant to that certain Securities Purchase Agreement, dated as of January 16, 2008, by and among the Company, the Corporate Parties thereto, the Viscorp Principal Stockholder and the Investors listed on the execution page thereof (the “Securities Purchase Agreement”). 

As provided in the Securities Purchase Agreement, in the event that the Series A Preferred Stock Issuance is not consummated by April 30, 2008, this Class B Warrant may be exercised to purchase that number of Class B Warrant Shares as shall be equal to 100% of the number of Conversion Shares that would otherwise have been issuable upon conversion of the Series A Preferred Stock if such Series A Preferred Stock had been exchanged for the Note at any time on or after May 1, 2008, all in accordance with the provisions of Section 7c(iv) of the Securities Purchase Agreement. 

Unless otherwise defined in this Class B Warrant, all capitalized terms, when used herein, shall have the same meaning as is defined in the Securities Purchase Agreement.

This Class B Warrant is subject to the following terms, provisions, and conditions:  

1.

Manner of Exercise.

a.

Procedure.  Subject to the provisions hereof, this Class B Warrant may be exercised by the Holder, in whole or in part, by the surrender of this Class B Warrant, together with a completed exercise agreement in the form attached hereto (the “Exercise Agreement”), to the Company during normal business hours on any day that banks are generally open for business in New York City (a “Business Day”) at the Company’s principal executive offices (or such other office or agency of the Company as it may designate by notice to the Holder), and upon (i) payment to the Company in cash, by certified or official bank check or by wire transfer for the account of the Company of the Exercise Price for the Class B Warrant Shares specified in the Exercise Agreement or (ii) if by June 30, 2008, the Class B Warrant Shares have not been registered for resale by the Holder pursuant to an effective registration statement under the Securities Act of 1933, as amended, (the “Securities Act”) or under applicable state securities laws, by delivery to the Company of a written notice of an election to effect a Cashless Exercise (as defined in Section 1(c) below) for the Class B Warrant Shares specified in the Exercise Agreement; provided, however, that the ability of the Holder to utilize the Cashless Exercise provisions of this Class B Warrant shall cease as soon as the Class B Warrant Shares shall have been registered for resale pursuant to an effective registration statement.  The Class B Warrant Shares so purchased shall be deemed to be issued to the Holder or such Holder’s designee, as the record owner of such shares, as of the close of business on the date on which the completed Exercise Agreement shall have been delivered, and payment shall have been made for such shares as set forth above.  Certificates for the Class B Warrant Shares so purchased, representing the aggregate number of shares specified in the Exercise Agreement, shall be delivered to the Holder (without restrictive legend thereon when such exercise occurs while a registration statement registering under the Securities Act the resale of the Class B Warrant Shares so purchased is effective or such Class B Warrant Shares so purchased may be resold by the Holder pursuant to Rule 144(k) or any similar successor rule) within a reasonable time, not exceeding three (3) Business Days, after this Class B Warrant shall have been so exercised.  The certificates so delivered shall be in such denominations as may be requested by the Holder and shall be registered in the name of the Holder or such other name as shall be designated by the Holder.  If this Class B Warrant shall have been exercised only in part, then, at the option of the Holder (i) the Holder may surrender this Class B Warrant to the Company and, unless this Class B Warrant has expired, the Company shall, at its expense, within a reasonable time, not exceeding three (3) Business Days, after this Class B Warrant shall have been so exercised, deliver to the Holder a new Class B Warrant representing the number of shares with respect to which this Class B Warrant shall not then have been exercised, or (ii) the Holder may retain this Class B Warrant and the Class B Warrant Shares purchasable under this Class B Warrant shall be reduced by such number of Class B Warrant Shares so exercised by the Holder and properly delivered by the Company hereunder.

b.

Exercise Limit.  In no event, at any time that the Company has any class of its securities registered under Section 12(b) or Section 12(g) of the Securities Exchange Act of 1934, as amended, (the “Exchange Act”), shall the Holder of this Class B Warrant be entitled to exercise any portion of this Class B Warrant in excess of that portion of this Class B Warrant upon exercise of which the sum of (i) the number of shares of Common 

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Stock beneficially owned by the Holder and its affiliates (other than shares of Common Stock which may be deemed beneficially owned through the ownership of the unexercised portion of this Class B Warrant and the unexercised or unconverted portion of any other securities of the Company subject to a limitation on conversion or exercise analogous to the limitation contained herein) and (ii) the number of shares of Common Stock issuable upon exercise of the portion of this Class B Warrant with respect to which the determination described herein is being made, would result in beneficial ownership by the Holder and its affiliates of more than 9.99% of the outstanding shares of Common Stock.  For purposes of this Section 1(b), beneficial ownership shall be determined in accordance with Section 13(d) of Exchange Act and Regulation 13D-G thereunder, except as otherwise provided in clause (i) of the preceding sentence.  The Holder may waive the provisions of this Section 1(b) as to itself (and solely as to itself) upon not less than 61 days’ prior notice to the Company, and the provisions of this Section 1(b) shall continue to apply until such 61st day (or such later date as may be specified in such notice of waiver).  No exercise in violation of this Section 1(b), but otherwise in accordance with this Class B Warrant, shall affect the status of the Common Stock issued upon such exercise as validly issued, fully-paid and nonassessable.

c.

Cashless Exercise.

In the event (and only in the event) that, by 5:00 p.m. (Eastern Standard Time) on June 30, 2008, the resale of the Class B Warrant Shares by the Holder shall have not registered pursuant to an effective registration statement under the Securities Act, then the Holder may exercise this Class B Warrant in whole or in part by presentation and surrender of this Class B Warrant to the Company at its principal executive offices, with a written notice of the Holders intention to effect a cashless exercise, including a calculation of the number of share of Common Stock to be issued upon such exercise in accordance with the terms hereof (a “Cashless Exercise”).  In the event of a Cashless Exercise, in lieu of paying the Exercise Price in cash, the Holder shall surrender this Class B Warrant for that number of shares of Common Stock determined by multiplying the number of Class B Warrant Shares to which such Holder would otherwise be entitled by a fraction (i) the numerator of which shall be the difference between (A) the average Market Price (as defined in Section 4) per share of the Common Stock for the five (5) Trading Days (as defined in Section 4) immediately prior to the date the completed Exercise Agreement shall have been delivered to the Company (the “Cashless Exercise Market Price”) and (B) the Exercise Price, and (ii) the denominator of which shall be the Cashless Exercise Market Price.

2.

Period of Exercise.

This Class B Warrant is exercisable at any time or from time to time on or after February 1, 2008 and before 6:00 p.m., New York, New York time on January 31, 2015 (the “Exercise Period”).

3.

Certain Agreements of the Company.  

The Company hereby covenants and agrees as follows:

a.

Shares to be Fully Paid.  All Class B Warrant Shares will, upon issuance in accordance with the terms of this Class B Warrant, be validly issued, fully paid, and nonassessable and free from all taxes, liens, and charges with respect to the issue thereof.

b.

Reservation of Shares.  During the Exercise Period, the Company shall at all times have authorized, and reserved for the purpose of issuance upon exercise of this 

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Class B Warrant, a sufficient number of shares of Common Stock to provide for the exercise of this Class B Warrant.

c.

Listing.  If the Company’s Common Stock is listed as of the date of this Class B Warrant, or if so listed in the future, the Company shall maintain its listing of its Common Stock on each national securities exchange or automated quotation system, as the case may be, and shall maintain such listing of any other shares of capital stock of the Company issuable upon the exercise of this Class B Warrant if and so long as any shares of the same class shall be listed on such national securities exchange or automated quotation system.

d.

Certain Actions Prohibited.  The Company will not, by amendment of its charter or through any reorganization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities, or any other voluntary action, avoid or seek to avoid the observance or performance of any of the terms to be observed or performed by it hereunder, but will at all times in good faith assist in the carrying out of all the provisions of this Class B Warrant and in the taking of all such action as may reasonably be requested by the Holder of this Class B Warrant in order to protect the exercise privilege of the Holder of this Class B Warrant against dilution or other impairment, consistent with the tenor and purpose of this Class B Warrant.  Without limiting the generality of the foregoing, the Company (i) will not increase the par value of any shares of Common Stock receivable upon the exercise of this Class B Warrant above the Exercise Price then in effect, and (ii) will take all such actions as may be necessary or appropriate in order that the Company may validly and legally issue fully paid and nonassessable shares of Common Stock upon the exercise of this Class B Warrant.

e.

Successors and Assigns.  This Class B Warrant will be binding upon any entity succeeding to the Company by merger, consolidation, or acquisition of all or substantially all the Company’s assets.

f.

Delivery of Common Stock by Electronic Transfer.  In lieu of delivering physical certificates representing the Common Stock issuable upon exercise, provided the Company’s transfer agent is participating in the Depository Trust Company (“DTC”) Fast Automated Securities Transfer program and the Company has activated such programs, upon request of the Holder and its compliance with the provisions contained in Section 1, the Company shall use its best efforts to cause its transfer agent to electronically transmit the Common Stock issuable upon exercise to the Holder by crediting the account of Holder’s Prime Broker with DTC through its Deposit Withdrawal Agent Commission system.

4.

Antidilution Provisions.  During the Exercise Period, the Exercise Price and the number of Class B Warrant Shares shall be subject to adjustment from time to time as provided in this Section 4.  In the event that any adjustment of the Exercise Price as required herein results in a fraction of a cent, such Exercise Price shall be rounded up to the nearest cent.

a.

Subdivision or Combination of Common Stock.  If the Company at any time subdivides (by any stock split, stock dividend, recapitalization, reorganization, reclassification or otherwise) the shares of Common Stock acquirable hereunder into a greater number of shares, then, after the date of record for effecting such subdivision, the Exercise Price in effect immediately prior to such subdivision will be proportionately reduced.  If the Company at any time combines (by any reverse stock split, recapitalization, reorganization, 

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reclassification or otherwise) the shares of Common Stock acquirable hereunder into a smaller number of shares, then, after the date of record for effecting such combination, the Exercise Price in effect immediately prior to such combination will be proportionately increased.

b.

Adjustment in Number of Shares.  Upon each adjustment of the Exercise Price pursuant to the provisions of this Section 4, the number of shares of Common Stock issuable upon exercise of this Class B Warrant shall be adjusted by multiplying a number equal to the Exercise Price in effect immediately prior to such adjustment by the number of shares of Common Stock issuable upon exercise of this Class B Warrant immediately prior to such adjustment and dividing the product so obtained by the adjusted Exercise Price.

c.

Consolidation, Merger or Sale.  In case of any consolidation of the Company with, or merger of the Company into any other corporation, or in case of any sale or conveyance of all or substantially all of the assets of the Company other than in connection with a plan of complete liquidation of the Company, then as a condition of such consolidation, merger or sale or conveyance, adequate provision will be made whereby the Holder of this Class B Warrant will have the right to acquire and receive upon exercise of this Class B Warrant in lieu of the shares of Common Stock immediately theretofore acquirable upon the exercise of this Class B Warrant, such shares of stock, securities or assets as may be issued or payable with respect to or in exchange for the number of shares of Common Stock immediately theretofore acquirable and receivable upon exercise of this Class B Warrant had such consolidation, merger or sale or conveyance not taken place.  In any such case, the Company will make appropriate provision to insure that the provisions of this Section 4 hereof will thereafter be applicable as nearly as may be in relation to any shares of stock or securities thereafter deliverable upon the exercise of this Class B Warrant.  The Company will not effect any consolidation, merger or sale or conveyance unless prior to the consummation thereof, the successor corporation (if other than the Company) assumes by written instrument the obligations under this Section 4 and the obligations to deliver to the Holder of this Class B Warrant such shares of stock, securities or assets as, in accordance with the foregoing provisions, the Holder may be entitled to acquire.

d.

Distribution of Assets.  In case the Company shall declare or make any distribution of its assets (including cash) to holders of Common Stock as a partial liquidating dividend, by way of return of capital or otherwise, then, after the date of record for determining shareholders entitled to such distribution, but prior to the date of distribution, the Holder of this Class B Warrant shall be entitled upon exercise of this Class B Warrant for the purchase of any or all of the shares of Common Stock subject hereto, to receive the amount of such assets which would have been payable to the Holder had the Holder been the holder of such shares of Common Stock on the record date for the determination of shareholders entitled to such distribution.

e.

Adjustment Due to Dilutive Issuance.  If, at any time when any Class B Warrants are issued and outstanding, the Company issues or sells, or in accordance with this Section 4e or Section 4f is deemed to have issued or sold, any shares of Common Stock for no consideration or for a consideration per share (before deduction of reasonable expenses or commissions or underwriting discounts or allowances in connection therewith) less than the Exercise Price in effect on the date of such issuance (or deemed issuance) of such shares of Common Stock (a “Dilutive Issuance”), then immediately upon the Dilutive Issuance, the Exercise Price will be reduced to the price determined by multiplying the Exercise Price in effect 

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immediately prior to the Dilutive Issuance by a fraction, (A) the numerator of which is an amount equal to the sum of (x) the number of shares of Common Stock actually outstanding immediately prior to the Dilutive Issuance, plus (y) the quotient of the aggregate consideration, calculated as set forth in Section 4f, received by the Company upon such Dilutive Issuance divided by the Exercise Price in effect immediately prior to the Dilutive Issuance, and (B) the denominator of which is the Common Stock Deemed Outstanding (as defined below) immediately after the Dilutive Issuance; provided that only one adjustment will be made for each Dilutive Issuance.  The term “Common Stock Deemed Outstanding” shall mean the number of shares of Common Stock actually outstanding (not including shares of Common Stock held in the treasury of the Company), plus (i) the maximum total number of shares of Common Stock issuable upon the exercise of Options, as of the date of such issuance or grant of such Options, if any, and (ii) the maximum total number of shares of Common Stock issuable upon conversion or exchange of Convertible Securities, as of the date of issuance of such Convertible Securities, if any.  No adjustment to the Exercise Price shall have the effect of increasing the Exercise Price above the Exercise Price in effect immediately prior to such adjustment.

Notwithstanding the foregoing the issuance of Common Stock of the Company upon conversion of its Series A Preferred Stock or upon exercise of its Class A Warrants shall not be deemed to be a Dilutive Issuance for the purposes of this Class B Warrant.

f.

Effect on Exercise Price of Certain Events.  For purposes of determining the adjusted Exercise Price, the following will be applicable:

1)

Issuance of Rights or Options.  If the Company in any manner issues or grants any Class B Warrants, rights or options, whether or not immediately exercisable, to subscribe for or to purchase Common Stock or other securities convertible into or exchangeable for Common Stock (“Convertible Securities”) (such Class B Warrants, rights and options to purchase Common Stock or Convertible Securities are hereinafter referred to as “Options”) and the price per share for which Common Stock is issuable upon the exercise of such Options is less than the Exercise Price on the date of issuance or grant of such Options, then the maximum total number of shares of Common Stock issuable upon the exercise of all such Options will, as of the date of the issuance or grant of such Options, be deemed to be outstanding and to have been issued and sold by the Company for such price per share.  For purposes of the preceding sentence, the “price per share for which Common Stock is issuable upon the exercise of such Options” is determined by dividing (i) the total amount, if any, received or receivable by the Company as consideration for the issuance or granting of all such Options, plus the minimum aggregate amount of additional consideration, if any, payable to the Company upon the exercise of all such Options, plus, in the case of Convertible Securities issuable upon the exercise of such Options, the minimum aggregate amount of additional consideration payable upon the conversion or exchange thereof at the time such Convertible Securities first become convertible or exchangeable, by (ii) the maximum total number of shares of Common Stock issuable upon the exercise of all such Options (assuming full conversion of Convertible Securities, if applicable).  No further adjustment to the Exercise Price will be made upon the actual issuance of such Common Stock upon the exercise of such Options or upon the conversion or exchange of Convertible Securities issuable upon exercise of such Options.

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2)

Issuance of Convertible Securities.  If the Company in any manner issues or sells any Convertible Securities, whether or not immediately convertible (other than where the same are issuable upon the exercise of Options) and the price per share for which Common Stock is issuable upon such conversion or exchange is less than the Exercise Price on the date of issuance, then the maximum total number of shares of Common Stock issuable upon the conversion or exchange of all such Convertible Securities will, as of the date of the issuance of such Convertible Securities, be deemed to be outstanding and to have been issued and sold by the Company for such price per share.  For the purposes of the preceding sentence, the “price per share for which Common Stock is issuable upon such conversion or exchange” is determined by dividing (i) the total amount, if any, received or receivable by the Company as consideration for the issuance or sale of all such Convertible Securities, plus the minimum aggregate amount of additional consideration, if any, payable to the Company upon the conversion or exchange thereof at the time such Convertible Securities first become convertible or exchangeable, by (ii) the maximum total number of shares of Common Stock issuable upon the conversion or exchange of all such Convertible Securities.  No further adjustment to the Exercise Price will be made upon the actual issuance of such Common Stock upon conversion or exchange of such Convertible Securities.

3)

Change in Option Price or Conversion Rate.  If there is a change at any time in (i) the amount of additional consideration payable to the Company upon the exercise of any Options; (ii) the amount of additional consideration, if any, payable to the Company upon the conversion or exchange of any Convertible Securities; or (iii) the rate at which any Convertible Securities are convertible into or exchangeable for Common Stock (other than under or by reason of provisions designed to protect against dilution), the Exercise Price in effect at the time of such change will be readjusted to the Exercise Price which would have been in effect at such time had such Options or Convertible Securities still outstanding provided for such changed additional consideration or changed conversion rate, as the case may be, at the time initially granted, issued or sold.

4)

Subdivision or Combination of Common Stock.  If the Company at any time subdivides (by any stock split, stock dividend, recapitalization, reorganization, reclassification or otherwise) the shares of Common Stock acquirable hereunder into a greater number of shares, then, after such date of record for effecting such subdivision, the Exercise Price in effect immediately prior to such subdivision will be proportionately reduced.  If the Company at any time combines (by reverse stock split, recapitalization, reorganization, reclassification or otherwise) the shares of Common Stock acquirable hereunder into a smaller number of shares, then, after the date of record for effecting such combination, the Exercise Price in effect immediately prior to such combination shall be proportionately increased.

5)

Treatment of Expired Options and Unexercised Convertible Securities.  If, in any case, the total number of shares of Common Stock issuable upon exercise of any Option or upon conversion or exchange of any Convertible Securities is not, in fact, issued and the rights to exercise such Option or to convert or exchange such Convertible Securities shall have expired or terminated, the Exercise Price then in effect will be readjusted to the Exercise Price which would have been in effect at the time of such expiration or termination had such Option or Convertible Securities, to the extent outstanding immediately prior to such 

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expiration or termination (other than in respect of the actual number of shares of Common Stock issued upon exercise or conversion thereof), never been issued.

6)

Calculation of Consideration Received.  If any Common Stock, Options or Convertible Securities are issued, granted or sold for cash, the consideration received therefor for purposes of the holder’s Note will be the amount received by the Company therefor, before deduction of reasonable commissions, underwriting discounts or allowances or other reasonable expenses paid or incurred by the Company in connection with such issuance, grant or sale.  In case any Common Stock, Options or Convertible Securities are issued or sold for a consideration part or all of which shall be other than cash, the amount of the consideration other than cash received by the Company will be the fair value of such consideration, except where such consideration consists of securities, in which case the amount of consideration received by the Company will be the Market Price thereof as of the date of receipt.  In case any Common Stock, Options or Convertible Securities are issued in connection with any acquisition, merger or consolidation in which the Company is the surviving corporation, the amount of consideration therefor will be deemed to be the fair value of such portion of the net assets and business of the non-surviving corporation as is attributable to such Common Stock, Options or Convertible Securities, as the case may be.  The fair value of any consideration other than cash or securities will be determined in good faith by the Board of Directors of the Company.

7)

Exceptions to Adjustment of Exercise Price.  No adjustment to the Exercise Price will be made (A) upon the issuance of shares of Common Stock or options or Class B Warrants to purchase Common Stock to employees of the Company pursuant to any stock or option plan duly adopted by the Board of Directors of the Company on or before June 14, 2006, or (B) the issuance of shares of Common Stock upon conversion of any of the Notes issued under the Securities Purchase Agreement.

g.

Notice of Adjustment.  Upon the occurrence of any event which requires any adjustment of the Exercise Price, then, and in each such case, the Company shall give notice thereof to the Holder of this Class B Warrant, which notice shall state the Exercise Price resulting from such adjustment and the increase or decrease in the number of Class B Warrant Shares purchasable at such price upon exercise, setting forth in reasonable detail the method of calculation and the facts upon which such calculation is based.  Such calculation shall be certified by the Chief Financial Officer of the Company.

h.

Minimum Adjustment of Exercise Price.  No adjustment of the Exercise Price shall be made in an amount of less than 1% of the Exercise Price in effect at the time such adjustment is otherwise required to be made, but any such lesser adjustment shall be carried forward and shall be made at the time and together with the next subsequent adjustment which, together with any adjustments so carried forward, shall amount to not less than 1% of such Exercise Price.

i.

No Fractional Shares.  No fractional shares of Common Stock are to be issued upon the exercise of this Class B Warrant, but the Company shall pay a cash adjustment in respect of any fractional share which would otherwise be issuable in an amount equal to the same fraction of the average Market Price per share of the Common Stock for the five (5) Trading Days immediately prior to the date of such exercise.

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j.

Other Notices.  In case at any time:

i.

the Company shall declare any dividend upon the Common Stock payable in shares of stock of any class or make any other distribution (including dividends or distributions payable in cash out of retained earnings) to the holders of the Common Stock;

ii.

the Company shall offer for subscription pro rata to the holders of the Common Stock any additional shares of stock of any class or other rights;

iii.

there shall be any capital reorganization of the Company, or reclassification of the Common Stock, or consolidation or merger of the Company with or into, or sale of all or substantially all its assets to, another corporation or entity;

iv.

there shall be a voluntary or involuntary dissolution, liquidation or winding up of the Company;

then, in each such case, the Company shall give to the Holder of this Class B Warrant (a) notice of the date on which the books of the Company shall close or a record shall be taken for determining the holders of Common Stock entitled to receive any such dividend, distribution, or subscription rights or for determining the holders of Common Stock entitled to vote in respect of any such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation or winding-up and (b) in the case of any such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation or winding-up, or other Fundamental Change, notice of the date (or, if not then known, a reasonable approximation thereof by the Company) when the same shall take place.  Such notice shall also specify the date on which the holders of Common Stock shall be entitled to receive such dividend, distribution, or subscription rights or to exchange their Common Stock for stock or other securities or property deliverable upon such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation, or winding-up, as the case may be.  Such notice shall be given at least thirty (30) days prior to the record date or the date on which the Company’s books are closed in respect thereto.  Failure to give any such notice or any defect therein shall not affect the validity of the proceedings referred to in clauses (i), (ii), (iii) and (iv) above.

k.

Certain Definitions.

i.

“Bloomberg” shall mean Bloomberg, L.P. (or any successor to its function of reporting stock prices).

ii.

“Common Stock Deemed Outstanding” shall mean the number of shares of Common Stock actually outstanding (not including shares of Common Stock held in the treasury of the Company), plus (x) pursuant to Section 4(b)(i) hereof, the maximum total number of shares of Common Stock issuable upon the exercise of options (the “Options”), as of the date of such issuance or grant of such Options, if any, and (y) pursuant to Section 4(b)(ii) hereof, the maximum total number of shares of Common Stock issuable upon conversion or exchange of convertible securities (the “Convertible Securities”), as of the date of issuance of such Convertible Securities, if any.

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iii.

“Market Price” means, as of any Trading Day, (i) ) the average of the last reported sale prices for the shares of Common Stock on a national securities exchange which is the principal trading market for the Common Stock for the five (5) Trading Days immediately preceding such date as reported by Bloomberg or (ii) if no national securities exchange is the principal trading market for the shares of Common Stock, the average of the last reported sale prices on the principal trading market for the Common Stock during the same period as reported by Bloomberg, or (iii) if market value cannot be calculated as of such date on any of the foregoing bases, the Market Price shall be the fair market value as reasonably determined in good faith by (A) the Board of Directors of the Company, or (B) at the option of a majority-in-interest of the holders of the outstanding Class B Warrants by an independent investment bank of nationally recognized standing in the valuation of businesses similar to the business of the Company.  The manner of determining the Market Price of the Common Stock set forth in the foregoing definition shall apply with respect to any other security in respect of which a determination as to market value must be made hereunder.

iv.

“Common Stock,” for purposes of this Section 4, includes the Common Stock, without par value per share, and any additional class of stock of the Company having no preference as to dividends or distributions on liquidation, provided that the shares purchasable pursuant to this Class B Warrant shall include only shares of Common Stock, $0.01 par value per share, in respect of which this Class B Warrant is exercisable, or shares resulting from any subdivision or combination of such Common Stock, or in the case of any reorganization, reclassification, consolidation, merger, or sale of the character referred to in Section 4(e) hereof, the stock or other securities or property provided for in such Section.

v.

“Trading Day” shall mean any day on which the Common Stock is traded for any period on the principal securities exchange or other securities market on which the Common Stock is then being traded.

5.

Issue Tax. 

The issuance of certificates for Class B Warrant Shares upon the exercise of this Class B Warrant shall be made without charge to the Holder of this Class B Warrant or such shares for any issuance tax or other costs in respect thereof, provided that the Company shall not be required to pay any tax which may be payable in respect of any transfer involved in the issuance and delivery of any certificate in a name other than the Holder of this Class B Warrant.

6.

No Rights or Liabilities as a Stockholder.  

This Class B Warrant shall not entitle the Holder to any voting rights or other rights as a stockholder of the Company.  No provision of this Class B Warrant, in the absence of affirmative action by the Holder to purchase Class B Warrant Shares, and no mere enumeration herein of the rights or privileges of the Holder, shall give rise to any liability of the Holder for the Exercise Price or as a stockholder of the Company, whether such liability is asserted by the Company or by creditors of the Company.

7.

Transfer, Exchange, and Replacement of Class B Warrant.

a.

Restriction on Transfer.  This Class B Warrant and the rights granted to the Holder are transferable, in whole or in part, upon surrender of this Class B Warrant, together with a properly executed assignment in the form attached hereto, at the office or agency of the Company referred to in Section 7(e) below, provided, however, that any transfer 

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or assignment shall be subject to the conditions set forth in Section 7(f) hereof and to the applicable provisions of the Securities Purchase Agreement.  Until due presentment for registration of transfer on the books of the Company, the Company may treat the registered holder hereof as the owner and holder hereof for all purposes, and the Company shall not be affected by any notice to the contrary.  Notwithstanding anything to the contrary contained herein, the registration rights described in Section 8 are assignable only in accordance with the provisions of the Registration Rights Agreement.

b.

Class B Warrant Exchangeable for Different Denominations.  This Class B Warrant is exchangeable, upon the surrender hereof by the Holder at the office or agency of the Company referred to in Section 7(e) below, for new Class B Warrants of like tenor representing in the aggregate the right to purchase the number of shares of Common Stock, in not less than 1,000 increments, which may be purchased hereunder, each of such new Class B Warrants to represent the right to purchase such number of shares as shall be designated by the Holder at the time of such surrender.

c.

Replacement of Class B Warrant.  Upon receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction, or mutilation of this Class B Warrant and, in the case of any such loss, theft, or destruction, upon delivery of an indemnity agreement reasonably satisfactory in form and amount to the Company, or, in the case of any such mutilation, upon surrender and cancellation of this Class B Warrant, the Company, at its expense, will execute and deliver, in lieu thereof, a new Class B Warrant of like tenor.

d.

Cancellation; Payment of Expenses.  Upon the surrender of this Class B Warrant in connection with any transfer, exchange, or replacement as provided in this Section 7, this Class B Warrant shall be promptly canceled by the Company.  The Company shall pay all taxes (other than securities transfer taxes) and all other expenses (other than legal expenses, if any, incurred by the Holder) and charges payable in connection with the preparation, execution, and delivery of Class B Warrants pursuant to this Section 7.

e.

Register.  The Company shall maintain, at its principal executive offices (or such other office or agency of the Company as it may designate by notice to the Holder), a register for this Class B Warrant, in which the Company shall record the name and address of the person in whose name this Class B Warrant has been issued, as well as the name and address of each transferee and each prior owner of this Class B Warrant.

f.

Exercise or Transfer Without Registration.  If, at the time of the surrender of this Class B Warrant in connection with any exercise, transfer, or exchange of this Class B Warrant, this Class B Warrant (or, in the case of any exercise, the Class B Warrant Shares issuable hereunder), shall not be registered under the Securities Act and under applicable state securities or blue sky laws, the Company may require, as a condition of allowing such exercise, transfer, or exchange, (i) that the Holder furnish to the Company a written opinion of counsel, which opinion and counsel are acceptable to the Company, to the effect that such exercise, transfer, or exchange may be made without registration under the Securities Act and under applicable state securities or blue sky laws, (ii) that the Holder execute and deliver to the Company an investment letter in form and substance acceptable to the Company and (iii) that the transferee be an “accredited investor” as defined in Rule 501(a) promulgated under the Securities Act; provided, however, that no such opinion, letter or status as an “accredited investor” shall be 

11

required in connection with a transfer pursuant to Rule 144 under the Securities Act.  The first Holder of this Class B Warrant, by taking and holding the same, represents to the Company that such Holder is acquiring this Class B Warrant for investment and not with a view to the distribution thereof.  

8.

Registration Rights.  The initial Holder of this Class B Warrant (and certain assignees thereof) is entitled to the benefit of such registration rights in respect of the Class B Warrant Shares as are set forth in the Registration Rights Agreement dated as of January 16, 2008 by and among the Company the Initial Investors listed on the execution page thereof (the “Registration Rights Agreement”).

9.

Notices.  All notices, requests, and other communications required or permitted to be given or delivered hereunder to the Holder of this Class B Warrant shall be in writing, and shall be personally delivered, or shall be sent by certified or registered mail or by recognized overnight mail courier, postage prepaid and addressed, to the Holder at the address shown for the Holder as provided in the Securities Purchase Agreement, or at such other address as shall have been furnished to the Company by notice from the Holder.  All notices, requests, and other communications required or permitted to be given or delivered hereunder to the Company shall be in writing, and shall be personally delivered, or shall be sent by certified or registered mail or by recognized overnight mail courier, postage prepaid and addressed, to the office of the Company c/o TriPoint Global Equities LLC, 17 State Street, New York, New York 10004, Attention Mark Elenowitz, or at such other address as shall have been furnished to the Holder of this Class B Warrant by notice from the Company.  Any such notice, request, or other communication may be sent by facsimile, but shall in such case be subsequently confirmed by a writing personally delivered or sent by certified or registered mail or by recognized overnight mail courier as provided above.  All notices, requests, and other communications shall be deemed to have been given either at the time of the receipt thereof by the person entitled to receive such notice at the address of such person for purposes of this Section 9, or, if mailed by registered or certified mail or with a recognized overnight mail courier upon deposit with the United States Post Office or such overnight mail courier, if postage is prepaid and the mailing is properly addressed, as the case may be.

10.

Governing Law.  This Class B Warrant shall be enforced, governed by and construed in accordance with the laws of the State of New York applicable to agreements made and to be performed entirely within such state, without regard to the principles of conflict of laws.  The Company hereby submits to the exclusive jurisdiction of the United States federal courts and New York state courts located in New York, New York with respect to any dispute arising under this Class B Warrant, the agreements entered into in connection herewith or the transactions contemplated hereby or thereby.  The Company irrevocably waives the defense of an inconvenient forum to the maintenance of such suit or proceeding.  The Company further agrees that service of process upon it mailed by first class mail shall be deemed in every respect effective service of process upon the Company in any such suit or proceeding.  Nothing herein shall affect the Holder’s right to serve process in any other manner permitted by law.  A final non-appealable judgment in any such suit or proceeding shall be conclusive and may be enforced in other jurisdictions by suit on such judgment or in any other lawful manner.  The party which does not prevail in any dispute arising under this Class B Warrant shall be responsible for 

12

all fees and expenses, including attorneys’ fees, incurred by the prevailing party in connection with such dispute.

11.

Miscellaneous.

a.

Amendments.  This Class B Warrant and any provision hereof may be amended by an instrument in writing signed by the Company and holders of a majority of the then-unexercised Class B Warrant Shares underlying the Class B Warrants issued pursuant to the Securities Purchase Agreement.  All such amendments shall be binding to all Holders of Class B Warrants issued pursuant to the Securities Purchase Agreement.

b.

Descriptive Headings.  The descriptive headings of the several sections of this Class B Warrant are inserted for purposes of reference only, and shall not affect the meaning or construction of any of the provisions hereof.

c.

Remedies.  The Company acknowledges that a breach by it of its obligations hereunder will cause irreparable harm to the Holder, by vitiating the intent and purpose of the transaction contemplated hereby.  Accordingly, the Company acknowledges that the remedy at law for a breach of its obligations under this Class B Warrant will be inadequate and agrees, in the event of a breach or threatened breach by the Company of the provisions of this Class B Warrant, that the Holder shall be entitled, in addition to all other available remedies at law or in equity, and in addition to the penalties assessable herein, to an injunction or injunctions restraining, preventing or curing any breach of this Class B Warrant and to enforce specifically the terms and provisions thereof, without the necessity of showing economic loss and without any bond or other security being required.

d.

Facsimile Signature.

This Class B Warrant may be issued to the Holder containing a facsimile signature of Philip Ho, the Chief Executive Officer of the Company; which facsimile signature the Company acknowledges and agrees shall have the same validity and enforceability as those the same were a ribbon original signature.

 

[remainder of page intentionally left blank]

13

IN WITNESS WHEREOF, the Company has caused this Class B Warrant to be signed by its duly authorized officer.

VISCORP, INC.

(to be renamed Tianyin Pharmaceutical Co., Inc.)

By: _______________________________

Name:  Guoqing Jiang, 

Title:  CEO

Dated as of ___________ __, 2007

14

FORM OF EXERCISE AGREEMENT

Dated:  ________ __, 200_

To:

Tianyin Pharmaceutical Co., Inc.

c/o TriPoint Global Equities LLC 

17 State Street, 16th floor

New York, New York 10004

Attn: Mark Elenowitz, Managing Member

The undersigned, pursuant to the provisions set forth in the within Class B Warrant, hereby agrees to purchase ________ shares of Common Stock covered by such Class B Warrant, and makes payment herewith in full therefor at the price per share provided by such Class B Warrant:

[check applicable box]

___ 

in cash or by certified or official bank check or by wired funds in the amount of, or, 

___

inasmuch as the resale of such Common Stock by the undersigned has not been registered by 5:00 p.m. (EST) on December 31, 2008, pursuant to an effective registration statement under the Securities Act of 1933, as amended, by surrender of securities issued by the Company (including a portion of the Class B Warrant) having a market value (in the case of a portion of this Class B Warrant, determined in accordance with Section 1(c) of the Class B Warrant) equal to $_________.  

Please issue a certificate or certificates for such shares of Common Stock in the name of and pay any cash for any fractional share to:

Name:

________________________________

Signature:

________________________________

Address:

________________________________

________________________________

Note:

The above signature should correspond exactly with the name on the face of the within Class B Warrant, if applicable.

and, if said number of shares of Common Stock shall not be all the shares purchasable under the within Class B Warrant, a new Class B Warrant is to be issued in the name of said undersigned covering the balance of the shares purchasable thereunder less any fraction of a share paid in cash.

15

FORM OF ASSIGNMENT

FOR VALUE RECEIVED, the undersigned hereby sells, assigns, and transfers all the rights of the undersigned under the within Class B Warrant, with respect to the number of shares of Common Stock covered thereby set forth herein below, to:

Name of Assignee

Address

No of Shares

, and hereby irrevocably constitutes and appoints ___________________________________ as agent and attorney-in-fact to transfer said Class B Warrant on the books of the within-named corporation, with full power of substitution in the premises.

Dated:

________ __, 200_

In the presence of:

_______________________________________

Name:

_______________________________________

Signature:

________________________________

Title of Signing Officer or Agent (if any):

________________________________

Address:

________________________________

________________________________

Note:

The above signature should correspond exactly with the name on the face of the within Class B Warrant, if applicable.

16Viscorp, Inc. Exhibit 10.1 1/18/2008

EXHIBIT “E”

ESCROW AGREEMENT

THIS
     ESCROW AGREEMENT (“Agreement”)
is made as of January 15, 2008, by and between (the “Placement
Agent”); Viscorp, Inc., a Delaware corporation (the “Issuer”)
and Leser, Hunter, Taubman & Taubman with offices at 17 State Street,
Suite 1610, New York, New York 10004 (the “Escrow Agent”).

W I T N E S S E T H:

WHEREAS, pursuant to the Placement Agreement dated as of December 15, 2007 (the “Placement Agreement”), a copy of which is attached hereto as Exhibit A and incorporated herein by reference, the Issuer has agreed to pay certain fees and expenses of the Placement Agent in connection with a Financing (as defined in the Placement Agreement). 

WHEREAS, the Issuer and the Placement Agent have requested that the Escrow Agent receive the proceeds of a Financing or Financings (the “Escrow Funds”) into escrow and distribute such Escrow Funds to the Issuer and the Placement Agent pursuant to the terms of this Agreement and the Placement Agreement.

NOW, THEREFORE, in consideration of the covenants and mutual promises contained herein and other good and valuable consideration, the receipt and legal sufficiency of which are hereby acknowledged and intending to be legally bound hereby, the parties agree as follows:

I. ARTICLE 1

TERMS OF THE ESCROW

1.1

 The parties hereby agree to have Leser, Hunter, Taubman & Taubman act as Escrow Agent whereby the Escrow Agent shall receive the Escrow Funds in escrow and release the same as set forth in this Agreement.  Any capitalized terms not defined herein shall have the meaning ascribed to them in the Placement Agreement.

1.2

The Escrow Agent shall hold the Escrow Funds until such time as the Issuer and the Placement Agent shall determine to hold a closing, at which time the Escrow Agent shall release the Escrow Funds to the Issuer less any fees or expenses due to the Placement Agent pursuant to the Placement Agreement or as otherwise directed by the Issuer and the Placement Agent in a joint written instruction to the Escrow Agent.  In any event, the parties will confirm the amounts to be distributed to the Issuer and the Placement Agent or such other parties as they may jointly direct in a written closing statement directed to the Escrow Agent.

1.3

This Agreement may be altered or amended only with the written consent of all of the parties hereto.  Should the Issuer or the Placement Agent attempt to change this Agreement in a manner, which, in the Escrow Agent’s discretion, shall be undesirable, the Escrow Agent may resign as Escrow Agent by notifying the Issuer and the Placement Agent in writing five days in advance.  In the case of the Escrow Agent’s resignation or removal 

2

have been signed or presented by the proper party or parties.  The Escrow Agent shall not be personally liable for any act the Escrow Agent may do or omit to do hereunder as the Escrow Agent while acting in good faith, and any act done or omitted by the Escrow Agent pursuant to the advice of the Escrow Agent's attorneys-at-law shall be conclusive evidence of such good faith.

1.7

The Escrow Agent is hereby expressly authorized to disregard any and all warnings given by any of the parties hereto or by any other person or corporation, excepting only orders or process of courts of law and is hereby expressly authorized to comply with and obey orders, judgments or decrees of any court.  In case the Escrow Agent obeys or complies with any such order, judgment or decree, the Escrow Agent shall not be liable to any of the parties hereto or to any other person, firm or corporation by reason of such decree being subsequently reversed, modified, annulled, set aside, vacated or found to have been entered without jurisdiction.

1.8

The Escrow Agent shall not be liable in any respect on account of the identity, authorities or rights of the parties executing or delivering or purporting to execute or deliver the Agreement or any documents or papers deposited or called for hereunder.

1.9

If the Escrow Agent reasonably requires other or further documents in connection with this Agreement, the necessary parties hereto shall join in furnishing such documents.

1.10

It is understood and agreed that should any dispute arise with respect to the delivery and/or ownership or right of possession of the Escrow Funds held by the Escrow Agent hereunder, the Escrow Agent is authorized and directed in the Escrow Agent's sole discretion (a) to retain in the Escrow Agent's possession without liability to anyone all or any part of said Escrow Funds until such disputes shall have been settled either by mutual written agreement of the parties concerned or by a final order, decree or judgment of a court of competent jurisdiction after the time for appeal has expired and no appeal has been perfected, but the Escrow Agent shall be under no duty whatsoever to institute or defend any such proceedings or (b) to deliver the Escrow Funds and any other property and documents held by the Escrow Agent hereunder to a state or federal court having competent subject matter jurisdiction and located in the State of New York in accordance with the applicable procedure therefor.

ARTICLE 2

MISCELLANEOUS

2.1  

No waiver of any breach of any covenant or provision herein contained shall be deemed a waiver of any preceding or succeeding breach thereof, or of any other covenant or provision herein contained.  No extension of time for performance of any obligation or act shall be deemed any extension of the time for performance of any other obligation or act.

2.2

This Agreement shall be binding upon and shall inure to the benefit of the permitted successors and assigns of the parties hereto.

2.3 

This Agreement is the final expression of, and contains the entire agreement between, the parties with respect to the subject matter hereof and supersedes all prior understandings with respect thereto.  This Agreement may not be modified, changed, 

3

supplemented or terminated, nor may any obligations hereunder be waived, except by written instrument signed by the parties to be charged or by its agent duly authorized in writing or as otherwise expressly permitted herein.

2.4 

Whenever required by the context of this Agreement, the singular shall include the plural and masculine shall include the feminine.  This Agreement may be executed in two or more counterparts, all of which taken together shall constitute one instrument.  Execution and delivery of this Agreement by exchange of facsimile copies bearing the facsimile signature of a party shall constitute a valid and binding execution and delivery of this Agreement by such party.  Such facsimile copies shall constitute enforceable original documents.

2.5

The parties hereto expressly agree that this Agreement shall be governed by, interpreted under, and construed and enforced in accordance of the laws of the State of New York. The parties agree that any dispute arising under or with respect to or in connection with this Agreement, whether during the term of this Agreement or at any subsequent time, shall be resolved fully and exclusively in the federal or state courts resident in New York County, New York. 

   

2.6

Any notice, demand, request, waiver or other communication required or permitted to be given hereunder shall be in writing and shall be effective (a) upon hand delivery by telex (with correct answer back received), telecopy or facsimile at the address or number designated below (if delivered on a business day during normal business hours where such notice is to be received), or the first business day following such delivery (if delivered other than on a business day during normal business hours where such notice is to be received) or (b) on the second business day following the date of mailing by express courier service, fully prepaid, addressed to such address, or upon actual receipt of such mailing, whichever shall first occur.  The addresses for such communications shall be:

	If to the Issuer:

	Viscorp, Inc. 

627 Nevin Avenue

Sewickley, Pennsylvania 15143

Attn: Charles Driscoll

Tel. No.: 

Fax No.:  

	 	 
	If to the Placement Agent:

	 

	 	 

4

	If to the Escrow Agent:

	Leser, Hunter, Taubman & Taubman

17 State Street, Suite 1610

New York, New York 10004

Attention: Louis Taubman

Tel No.: (212) 732-7184

Fax No.: (212) 202-6380

	 	 

Any party hereto may from time to time change its address for notices by giving at least ten (10) days written notice of such changed address to the other party hereto.

2.7

By signing this Agreement, the Escrow Agent becomes a party hereto only for the purpose of this Agreement; the Escrow Agent does not become a party to the Placement Agreement or any related agreements.

2.8

Each party acknowledges and agrees that this Agreement shall not be deemed prepared or drafted by any one party.  In the event of any dispute between the parties concerning this Agreement, the parties agree that any rule of construction, to the effect that any ambiguity in the language of the Agreement is to be resolved against the drafting party, shall not apply. 

signature page follows

5

IN WITNESS WHEREOF, the parties hereto have executed this Escrow Agreement as of the date first set forth above.

Executed:

Viscorp, Inc.

________________________________

By: 

 

________________________________

Leser, Hunter, Taubman & Taubman

________________________________

By: Louis Taubman, Member

6

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