(+)-2-Ethylidene-1,2,3,11a-tetrahydro-5H-pyrrolo(2,1-c)(1,4)-benzodiazepin-5-one 5H-Pyrrolo(2,1-c)(1,4)-benzodiazepin-5-one, 2-ethylidene-1,2,3,11a-tetrahydro-, (+)- 81542-99-6 Antibiotic DC 62 DC-62 Prothracarcin