2-(7-Chloro-5-(2-chlorophenyl)-3H-1,4-benzodiazepin-2-yl)-5-oxoproline methyl ester 87245-66-7 BRN 4596989 Proline, 2-(7-chloro-5-(2-chlorophenyl)-3H-1,4-benzodiazepin-2-yl)-5-oxo-, methyl ester