127930-80-7 18878-15-4 195201-27-5 Butanedioic acid, mono(7-chloro-5-(2-chlorophenyl)-2,2-dihydro-2-oxo-1H-1,4-benzodiazepin-3-yl ester Butanedioic acid, mono(7-chloro-5-(2-chlorophenyl)-2,3-dihydro-2-oxo-1H-1,4-benzodiazepin-3-yl) ester, (+-)- Lorazepam hemisuccinate