Ethyl α-(N-methylindol-2-yl)acrylate

ethyl 2-(N-methyl-indol-2'-yl)-propionate

ethyl 2-hydroxy-2-(N-methyl-indol-2'-yl)-propionate

ethyl 2-(1-methyl-3-nicotinoyl-1H-indol-2-yl)propanoate

2-benzyl-5-carbethoxy-5,6-dimethyl 4a,5-dihydropyrido[4,3,b]carbazol(5-H)-11-one