(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

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

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