methyl 2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

甲基(3S)-2,3,4,9-四氢-1H-beta-咔啉-3-羧酸酯

2,3,4,9-四氢-1H-beta-咔啉-3-甲酸

Methyl 2-acetylamino-3-(2-formylindol-3-yl)propionate

methyl L-3,4-dihydro-β-carboline-3-carboxylate hydrochloride