(5R,11bR)-ethyl 2-phenyl-5,6,11,11b-tetrahydro-[1,2,4]oxadiazolo[2',3':1,2]pyrido[3,4-b]indole-5-carboxylate

1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indol-3-carbonsaeureethylester

ethyl 2-((tert-butoxycarbonyl)glycyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

ethyl 2-(2-((tert-butoxycarbonyl)amino)acetyl)-3,4-dihydro-2H-pyrido[3,4-b]indole-3-carboxylate

2-oxo-3-(ethoxycarbonyl)-3,4-dihydro-β-carboline