((4aR,5aS,6aR,8S,9R,10aS,11aR,13aS)-2,2,9,10a-Tetramethyl-9-trimethylsilanyloxy-dodecahydro-1,3,5,7,11-pentaoxa-benzo[4,5]cyclohepta[1,2-b]naphthalen-8-yl)-acetic acid ethyl ester

(E)-4-((4aR,5aS,6aR,8S,9R,10aS,11aR,13aS)-2,2,9,10a-Tetramethyl-9-trimethylsilanyloxy-dodecahydro-1,3,5,7,11-pentaoxa-benzo[4,5]cyclohepta[1,2-b]naphthalen-8-yl)-but-2-enoic acid benzyl ester

(E)-4-[(2R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-2-phenyl-[1,3]dioxan-4-yl]-but-2-enoic acid methyl ester

(2R,4aR,6S,7R,8aS)-2-Phenyl-6-vinyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

2-((2R,4aR,6S,7R,8aS)-7-Benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-ethanol