[(2S,3S,4R,4aR,5aR,9R,10aS,11aR)-3,4-Bis-benzyloxy-2-(2-oxo-propyl)-7-triethylsilanyl-2,3,4,4a,5a,6,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-9-yl]-acetic acid

2,2-Dimethyl-propionic acid (2S,3S,4S,5R)-4,5-bis-benzyloxy-2-iodomethyl-6-oxo-tetrahydro-pyran-3-yl ester

2,2-Dimethyl-propionic acid (2S,3S,4R,5S,6S)-6-allyl-4,5-bis-benzyloxy-2-iodomethyl-tetrahydro-pyran-3-yl ester

2,2-Dimethyl-propionic acid 2-{2-[1-acetoxy-2-((2R,3R,4S,5S,6S)-6-allyl-4,5-bis-benzyloxy-3-hydroxy-tetrahydro-pyran-2-yl)-ethyl]-[1,3]dithian-2-yl}-ethyl ester

1-[(2S,3S,4R,4aR,5aR,9R,10aS,11aR)-3,4-Bis-benzyloxy-9-(2-hydroxy-ethyl)-7-triethylsilanyl-2,3,4,4a,5a,6,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-yl]-propan-2-one