10-O-Decarbamoyl-10-O-methanesulfonylmitomycin C 129784-04-9 Azirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione, 1,1a,2,8,8a,8b-hexahydro-6-amino-8a-methoxy-5-methyl-8-(((methylsulfonyl)oxy)methyl)-, (1aS-(1a-alpha,8-beta,8a-alpha,8b-alpha))-