7-methoxy-9-methyl-3,4-dihydro-β-carboline

(3aS,5aS,10bR,12bS)-3a-Ethyl-5-hydroxy-8-methoxy-6-methyl-4-oxo-12a-oxy-3a,4,5,5a,6,11,12,12b-octahydro-1H-6,12a-diaza-indeno[7,1-cd]fluorene-5-carboxylic acid methyl ester

(3aS,5aR,10bR,12bS)-3a-Ethyl-8-methoxy-6-methyl-3a,5a,6,11,12,12b-hexahydro-1H,5H-6,12a-diaza-indeno[7,1-cd]fluoren-4-one

10-Methoxy-12-methyl-1,4,6,7,12,12b-hexahydro-indolo[2,3-a]quinolizine-1-carboxylic acid methyl ester

10-Methoxy-12-methyl-3,4,6,7,12,12b-hexahydro-indolo[2,3-a]quinolizine-1-carboxylic acid methyl ester