73540-77-9
(1-methoxymethyl-indol-3-yl)carboxaldehyde
→
110604-93-8
1-(2-quinolyl)-9H-β-carboline-3-carboxylic acid
110604-92-7
1-(2-quinolyl)-9H-pyrido[3,4-b]indole-3-carboxylic acid ethyl ester