(1R,2R,4aS,11bR)-1-Benzyloxy-2-hydroxy-7-methoxy-5-(4-methoxy-benzyl)-1,4a,5,11b-tetrahydro-2H-[1,3]dioxolo[4,5-j]phenanthridin-6-one

(6aS,7aR,8aR,9R,9aR)-9-(benzyloxy)-4-methoxy-6-(4-methoxybenzyl)-6a,7,7a,8a,9,9a-hexahydro-[1,3]dioxolo[4,5-j]oxireno[2,3-b]phenanthridin-5(6H)-one

(6aS,7aR,8aR,9S,9aR)-9-((tert-butyldimethylsilyl)oxy)-4-methoxy-6-(4-methoxybenzyl)-6a,7,7a,8a,9,9a-hexahydro-[1,3]dioxolo[4,5-j]oxireno[2,3-b]phenanthridin-5(6H)-one

Benzoic acid (1R,2R,3S,4S,4aR,11bR)-2,3,4-trihydroxy-7-methoxy-6-oxo-1,2,3,4,4a,5,6,11b-octahydro-[1,3]dioxolo[4,5-j]phenanthridin-1-yl ester

(3aS,4R,5R,7aR)-4-Azido-7'-methoxy-2,2-dimethyl-3a,4,5,7a-tetrahydro-[5,5']bi[benzo[1,3]dioxolyl]