(4aR,7aS,12bR)-3-Benzyl-7,7,9-trimethoxy-2,3,5,6,7,7a-hexahydro-1H,4aH-8-oxa-3-aza-benzo[d]fluoren-4-one
(4aS,7aS,12bR)-3-Benzyl-7,7,9-trimethoxy-2,3,5,6,7,7a-hexahydro-1H,4aH-8-oxa-3-aza-benzo[d]fluoren-4-one
decahydro-1-oxo-2-benzyl-6,6-dimethoxy-9β-carbomethoxyisoquinolino<5β,10β-c>-7-methoxy-2,3-dihydrobenzofuran
decahydro-1,6-dioxo-2-benzyl-9β-carbomethoxyisoquinolino<5β,10β-c>-7-acetoxy-2,3-dihydrobenzofuran
decahydro-1-oxo-2-benzyl-6,6-dimethoxy-9β-carbomethoxyisoquinolino<5β,10β-c>-7-hydroxy-2,3-dihydrobenzofuran