system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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and Neoforma Auction shall be substantially consistent with the look-and-feel of the other Medical Products Listings displayed on such Sites, unless otherwise agreed upon by the Parties. 2.7 VerticalNet shall add a Neoforma Link to each VerticalNet Buyer's Guide labeled "Neoforma Search" (or as otherwise mutually agreed upon by the Parties), substantially consistent with the prototype attached hereto as EXHIBIT B, which Links shall be as prominent as the other Links on such Sites. If a user of a VerticalNet Buyer's Guide clicks on such button, such user shall be linked to a Site containing a VerticalNet frame surrounding the appropriate search results on Neoforma Shop. As soon as is commercially reasonable, and in any event, no later that the first anniversary of the Effective Date, such search results shall only contain 6 7 Product Listings for New Medical Products. Notwithstanding the foregoing, if, at any time, Neoforma lists Used and Excess Medical Products on Neoforma Shop, VerticalNet may remove or relocate the Neoforma Link described in this Section 2.7 [MEDICAL PRODUCTS], in VerticalNet's reasonable discretion. 2.8 Neoforma hereby grants VerticalNet the right to frame all pages of the Neoforma Sites that contain Medical Products Listings with a frame containing VerticalNet Marks substantially consistent with the prototype attached hereto as EXHIBIT C, which framed pages shall only be accessible from the VerticalNet Sites. VerticalNet shall place a Link on the homepage of each VerticalNet Medical Online Community under "Marketplace" to such framed pages of the Neoforma Sites. 2.9 Neoforma shall host and maintain Neoforma Plan, Neoforma Shop and Neoforma Auction. Neoforma owns and shall continue to own the domain name and the URL used in connection with its business, including but not limited to, Neoforma Plan, Neoforma Shop and Neoforma Auction. 2.10 VerticalNet shall not enter into any agreement with a Neoforma Competitor for the on-line listing of Medical Products or place any Link to the Site of a Neoforma Competitor on the VerticalNet Medical Online Communities. 2.11 During the Term, VerticalNet shall not use its Site located at www.meddeals.com to conduct online auctions of Medical Products. 3. LABORATORY PRODUCTS. 3.1 Within 30 days after the Effective Date, Neoforma shall provide a copy of all Neoforma Laboratory Product Listings existing as of the Effective Date to VerticalNet for use on the VerticalNet Sites on an exclusive basis (even as to Neoforma), to the extent Neoforma has the right to do so. Notwithstanding the foregoing, the provisions of Sections 3.1 [LABORATORY PRODUCTS] through 3.8 [LABORATORY PRODUCTS] shall not apply to any Laboratory Product sold through live (non-virtual) auctions conducted by Neoforma (through Neoforma GAR or otherwise) for which no Product Listing is made; provided, however, that Neoforma shall use commercially reasonable efforts to acquire Product Listings for all such Laboratory Products. If Neoforma receives a set of Product Listings packaged as a "lot," Neoforma shall use commercially reasonable efforts to provide all Laboratory Product Listings contained in such "lot" to VerticalNet in accordance with this Agreement. 3.2 From time to time during the Term, Neoforma shall provide a copy of all Neoforma Laboratory Product Listings received by Neoforma after the Effective Date to VerticalNet as such Product Listings are made available to Neoforma for use on the VerticalNet Sites on an exclusive basis (even as to Neoforma). 3.3 Neoforma hereby grants VerticalNet an exclusive license, even as to Neoforma, to use, modify, enhance, reproduce, display, perform and transmit the Neoforma Laboratory Product Listings, subject to and in accordance with the terms, conditions and provisions of this Agreement, to the extent Neoforma has the right to do so. 7 8 3.4 VerticalNet shall list each such Neoforma Product Listing on the VerticalNet Auction. Neoforma shall provide each Neoforma Product Listing to VerticalNet in the form of the template attached hereto as EXHIBIT D. The look-and-feel of the Neoforma Product Listings as displayed on the VerticalNet Auction shall be substantially consistent with the look-and-feel of the other Laboratory Products Listings displayed on the VerticalNet Auction, unless otherwise agreed upon by the Parties. 3.5 VerticalNet hereby grants Neoforma the right to frame all pages of the VerticalNet Auction that contain Laboratory Products Listings with a frame containing Neoforma Marks, which framed pages shall only be accessible from the Neoforma Sites. 3.6 VerticalNet shall host and maintain the VerticalNet Auction. VerticalNet owns and shall continue to own the domain name and the URL used in connection with the VerticalNet Auction. 3.7 Neoforma shall add Links labeled "Laboratory" or "Laboratory Equipment" (or as otherwise mutually agreed
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Extract the exact clause related to "Exclusivity" from the excerpt above.

assistant: Within 30 days after the Effective Date, Neoforma shall provide a copy of all Neoforma Laboratory Product Listings existing as of the Effective Date to VerticalNet for use on the VerticalNet Sites on an exclusive basis (even as to Neoforma), to the extent Neoforma has the right to do so.