6-aziridinyl-2,3-dihydro-7-methyl-1H-3-(N-phenylalanyl-phenylalanylamino)-pyrrolo(1,2-a)benzimidazole-5,8-dione
6-aziridinyl-2,3-dihydro-7-methyl-1h-3-(n-phenylalanyl-phenylalanylamino)-pyrrolo(1,2-a)benzimidazole-5,8-dione