1-(2,5-dihydro-1H-pyrrol-1-yl)-2-(1H-indol-3-yl)ethane-1,2-dione

N(b)-cyclopropanecarbonyltryptamine

7-(1-methyl-1H-indol-3-yl)-1,2,3,4,5,6,7,8-octahydroazonino[5,4-b]indole

7-(2-(4-fluorophenyl)-1H-indol-3-yl)-1,2,3,4,5,6,7,8-octahydroazonino[5,4-b]indole

1-cyclopropyl-4,9-dihydro-3H-pyrido[3,4-b]indole