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

N-benzyl derivative of 5-carbethoxy,5,6-dimethyl-pyrido-[4,3-b]carbazol-(5H)-11-one