(S)-3-Benzyloxy-3-((4S,5R)-4-benzyloxymethyl-5-isopropenyl-2,2-dimethyl-[1,3]dioxan-4-yl)-propionaldehyde

(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

(1S,2R,3R,4S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-hydroxymethyl-3-methyl-7-oxa-bicyclo[4.2.0]octan-1-ol

(2aR,4S,5R,5aR,9aS)-4-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-5,8,8-trimethyl-hexahydro-2,7,9-trioxa-cyclobuta[d]naphthalene

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