(+)-1,2,3,11a-Tetrahydro-8-hydroxy-7-methoxy-5H-pyrrolo(2,1-c)(1,4)benzodiazepin-5-one 5H-Pyrrolo(2,1-c)(1,4)benzodiazepin-5-one, 1,2,3,11a-tetrahydro-8-hydroxy-7-methoxy-, (+)- 81307-24-6 89824-22-6 Antibiotic DC 81 DC 81