(5S,5aS,9aR,9bS)-5-Benzyloxy-5a-benzyloxymethyl-7,7,9b-trimethyl-1,5,5a,9,9a,9b-hexahydro-4H-2,6,8-trioxa-3-aza-cyclopenta[a]naphthalene

(2S,3S,4S)-4-Benzyloxy-3-benzyloxymethyl-6-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-2-isopropenyl-hexanoic acid ethyl ester

Acetic acid (4aR,5R,6S,8S,8aS)-6-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-8-hydroxy-2,2,5-trimethyl-hexahydro-benzo[1,3]dioxin-8a-ylmethyl ester

Acetic acid (4aR,5R,6S,8S,8aS)-6-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-8-methanesulfonyloxy-2,2,5-trimethyl-hexahydro-benzo[1,3]dioxin-8a-ylmethyl ester