3-(1,2,3,6-Tetrahydro-4-pyridinyl)-1h-indole-6-carbonitrile
4-(6-Cyano-1h-indol-3-yl)-3,6-dihydro-2h-pyridine-1-carboxylic acid tert-butyl ester
5-Cyano-3-(1,2,3,6-tetrahydropyridin-4-yl)-1h-indole
4-(5-Cyano-1h-indol-3-yl)-3,6-dihydro-2h-pyridine-1-carboxylic acid tert-butyl ester