(+-)-1,2,8,8a-Tetrahydro-7-methyl-2-(methylsulfonyl)cyclopropa(c)pyrrolo(3,2-e)indol-4(5H)-one 89553-54-8 Cyclopropa(c)pyrrolo(3,2-e)indol-4(5H)-one, 1,2,8,8a-tetrahydro-7-methyl-2-(methylsulfonyl)-, (+-)- U 62736