definiens: means, with respect to a particular Product, a product sold ( i ) by a Third Party ( who is notauthorized by [COMPANY] or any of its Affiliates and who neither Arena nor any of its Affiliates has authorized at [COMPANY] ’s request ) or(ii ) by Arena, any of its Affiliates or any Third Party authorized by Arena or any of its Affiliates ( provided that the foregoingshall in no way be deemed or construed to limit Arena ’s obligations under Section 2.3(a ) ) that, in each case ( ( i ) or ( ii)),(a ) contains as an active pharmaceutical agent the same Compound or Related Compound that such Product contains as anactive pharmaceutical agent, and ( b ) has been approved for sales introduction into interstate commerce in the Territory byreference to the Regulatory Approval for such Product pursuant to Section 505(b)(2 ) or 505(j ) of the FFDCA, but excludingfor clarity any Products sold by [COMPANY] or any of its Affiliates during the Term