Synonyms: BRN 4599651;Pyrazino(1,2-a)(1,4)benzodiazepine-4-carboxylic acid, 1,2,3,5-tetrahydro-9-chloro-7-(2-chlorophenyl)-3-methyl-2-oxo-, methyl ester;AC1MIJLD;LS-127638;87216-26-0;methyl 9-chloro-7-(2-chlorophenyl)-3-methyl-2-oxo-1,5-dihydropyrazino[1,2-a][1,4]benzodiazepine-4-carboxylate