1-[4-Acetyl-2-(1H-indol-3-yl)-piperidin-1-yl]-ethanone

2-(1-methyl-9H-carbazol-2-yl)acetonitrile

r-2-(cyanomethyl)-1,2,3,4,t-4a,t-9a-hexahydro-c-1-methylcarbazole

r-1-methyl-3-(phenylsulfonyl)-1,4,t-4a,t-9a-tetrahydrocarbazole

r-2-(cyanomethyl)-1,2,3,4,t-4a,t-9a-hexahydro-c-1-methyl-t-3-(phenylsulfonyl)carbazole