Antibiotic T 34 Azirino[2',3':3,4]pyrrolo[1,2-a]indole-4,7-dione, 1,1a,2,8,8a,8b-hexahydro-8-(hydroxymethyl)-8a-methoxy-5-methyl-6-piperidino-, acetate (ester) MITOMYCIN DERIV T-34 Mitomycin derivative T 34 NSC123107