ethyl (R)-4-((2R,6S)-6-((S)-4-(hydroxy)-2-(4-methoxybenzyloxy)butyl)-4-methylenetetrahydro-2H-pyran-2-yl)-3-hydroxy-butanoate

ethyl (R)-4-((2R,6S)-6-((S)-4-(tert-butyldiphenylsilyloxy)-2-(4-methoxybenzyloxy)butyl)-4-methylenetetrahydro-2H-pyran-2-yl)-3-hydroxy-butanoate

(R)-ethyl 4-((2R,6S)-6-((S)-4-(tert-butyldiphenylsilyloxy)-2-(4-methoxybenzyloxy)butyl)-4-methylenetetrahydro-2H-pyran-2-yl)-3-(trimethylsilyloxy)butanoate

(S)-1-((2R,6S)-6-((S)-4-(tert-butyldiphenylsilyloxy)-2-(4-methoxybenzyloxy)butyl)-4-methylenetetrahydro-2H-pyran-2-yl)-4-((trimethylsilyl)methyl)pent-4-en-2-ol

(E)-4-{(S)-6-[(2R,3R)-3-Benzyloxymethoxy-2-(4-methoxy-benzyloxy)-butyl]-5,6-dihydro-4H-pyran-2-yl}-4-methyl-pent-2-enethioic acid S-ethyl ester