Synonyms: 132138-94-4;RK 1441B;AC1L2Z93;RK-1441B;1H-Pyrrolo(2,1-c)(1,4)benzodiazepine-5,11(10H,11aH)-dione, 2,3-dihydro-3,8-dihydroxy-7-methoxy-;3,8-dihydroxy-7-methoxy-2,3-dihydro-1H-pyrrolo[2,1-c][1,4]benzodiazepine-5,11(10H,11aH)-dione;3,9-dihydroxy-2-methoxy-6a,7,8,9-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepine-6,11-dione