Olaparib. A highly potent and selective PARP-inhibitor-, Synonyms:-4-(3-(4-(cycloprppanecarbonyl)piperazine-1-carbonyl)-4-fluorobenzyl)phthalazine-1(2H)-one; ADZ-2281; KU-59436, CAS Number:-763113-22-0, Molecular Formula:-C2GH2GFNGOG, Purity:-G98% by HPLC, 5mg.