definiens: means ( a ) the Purchased Royalty Interest, ( b ) any Proceeds payable to Purchaser in accordancewith this Agreement, ( c ) all proceeds ( as deﬁned under UCC ) of any of the foregoing, ( d ) any interest on any amountsreferred to in the immediately preceding clauses payable by the Licensee under Section 7.7 of the Medco LicenseAgreement, ( e ) any portion payable to Purchaser, in accordance with Section 5.17(f ), of any payment made pursuant toSection 7.9.2 of the Medco License Agreement with respect to the Royalty or Milestones, and ( f ) to the extent payable bythe Seller in lieu of any portion of the Purchased Royalty Interest and to the extent the Seller Commercializes the RoyaltyProduct in accordance with Section 5.7(d ) following termination of the Medco License Agreement, the AlnylamCommercialization Royalty