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

Carbonic acid (3aS,4R,7S,7aR)-7-methoxycarbonyloxy-2,2-dimethyl-3a,4,7,7a-tetrahydro-benzo[1,3]dioxol-4-yl ester methyl ester

(1S,4R,5S,6R)-4-azido-5,6-(isopropylidenedioxy)cyclohex-2-enyl methyl carbonate

(3aS,4R,5R,6S,7S,7aR)-4-Azido-7'-methoxy-2,2-dimethyl-3a,4,5,6,7,7a-hexahydro-[5,5']bi[benzo[1,3]dioxolyl]-6,7-diol

(3aS,3bR,10bR,11S,12S,12aR)-11,12-Dihydroxy-6-methoxy-2,2-dimethyl-3b,4,10b,11,12,12a-hexahydro-3aH-1,3,7,9-tetraoxa-4-aza-dicyclopenta[a,h]phenanthren-5-one