1H-吲哚-2-甲醇

3-ethyl-1-methyl-2-oxo-1,2-dihydropyridine-5-carbonitrile

1H-Indole, 2,2'-(1,2-ethanediyl)bis-

5-ethyl-1-methyl-4-(2-methyl-3-indolyl)-1,4-dihydropyridine-3-carbonitrile

3-ethyl-1-methyl-2-(2-methyl-3-indolyl)-1,2-dihydropyridine-5-carbonitrile