2-Cyano-3a,4,6,7,12b,12c-hexahydro-3H,12H-indole(2,3-g)cyclopent(a)indolizine 3,3a,4,6,7,12,12b,12c-Octahydrocyclopent(1,2)indolizino(8,7-b)indole-2-carbonitrile 95669-30-0 Cyclopent(1,2)indolizino(8,7-b)indole-2-carbonitrile, 3,3a,4,6,7,12,12b,12c-octahydro-