21448-81-7 Azirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione, 1,1a,2,8,8a,8b-hexahydro-1,5-dimethyl-6-(ethylamino)-8a-alpha-hydroxy-8-(hydroxymethyl)-, 8-carbamate BRN 0584815