ABT-737 ABT-737 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 NO.: 852808-04-9 Formula: C42H45ClN6O5S2 Weight: 813.43