(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

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

(1R,2R,3S,4S,4aR,11bR)-1-benzyloxy-5-(4-methoxy-benzyl)-2,3,4-trihydroxy-7-methoxy-1,3,4,4a,5,11b-hexahydro-2H-[1,3]dioxolo[4,5-j]phenanthridin-6-one

methyl 2-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-4-carboxylate