definiens: shall mean ( i ) { * }, ( ii ) { * }, ( iii ) { * }, ( iv ) { * }, ( v ) the other compound s set forth on Exhibit F of the [COMPANY] - Biogen Agr eement, ( vi ) all other compounds that were Synthesi zed in the course of performing the Research Program durin g the Research Term in connection with activities { * } to the PDK Target, ( vii ) all other compounds claimed or co vered by a Collaboration Patent that are { * } the PDK Target ( including Collaboration Patents listed under in Exhibit 1.2(a ) hereinunder ), ( viii ) a ll other compounds claimed or covered by an invention disclo sure within the Collaboration Know - How that are { * } the PDK Target, and ( ix ) all salts, prodrugs, esters, m etabolites, solvates, stereoisomers and polymorphs of any of the foregoing