(2S)-7-((4,4'-Bipiperidin)-1-ylcarbonyl)-2,3,4,5-tetrahydro-4-methyl-3-oxo-1H-1,4-benzodiazepine-2-acetic acid 171049-14-2 1H-1,4-Benzodiazepine-2-acetic acid, 7-((4,4'-bipiperidin)-1-ylcarbonyl)-2,3,4,5-tetrahydro-4-methyl-3-oxo-, (2S)- Lotrafiban SB 214857