definiens: means ( a ) any compound that is listed on Exhibit A, [ or, if theapplicable program is a Qualified Early Exercise I&I Program, any Program Compounds ( asdefined in the Master Agreement, including any chemotypes described on Schedule 1.1.83thereto ) that are listed on Exhibit A ] [ insert if applicable ] and ( b ) to the extent Active ( as definedin the Master Agreement ) against the Target, any salt, fluorinated derivative, free acid, free base, clathrate, solvate, hydrate, hemihydrates, anhydride, ester, chelate, conformer, congener, crystalform, crystal habit, polymorph, amorphous solid, isomer, stereoisomer, enantiomer, racemate, prodrug, isotopic or radiolabeled equivalent, metabolite, conjugate, complex or mixture, of suchchemical entity of any such compound identified in the foregoing clause ( a ) or in this clause ( b )