ABT-737, A selective Bcl-2 inhibitor, Synonyms: 4-[4-[(4-Chloro[1,1-biphenyl]-2-yl)methyl]-1-piperazinyl]-N-[[4-[[(1R)-3-(dimethylamino)-1-[(phenylthio)methyl]propyl]amino]-3-nitrophenyl]sulfonyl]benzamide, CAS Number: 852808-04-9, Purity: G98% by HPLC, 25 mg