(2S,5R,6R,10R,12S,13S,14S,15R)-2-<(2R,5R,6S)-5-benzyloxy-5-ethyl-6-methyltetrahydropyran-2-yl>-2,5-bis(tert-butyldimethylsilyloxy)-13,15-isopropylidenedioxy-6-(4-methoxybenzyloxy)-10,12-dimethylheptadec-7-yn-9-one

(R)-2-[(2R,5S,6R)-6-[(R)-1-formylethyl]-5-methyltetrahydropyran-2-yl]butanoic acid

(2R,3R,6S)-3,6-bis(tert-butyldimethylsilyloxy)-6-[(2R,5R,6S)-5-ethyl-5-(4-methoxybenzyloxy)-6-methyltetrahydropyran-2-yl]-2-(4-methoxybenzyloxy)heptan-1-ol

(3R,4R,7S)-4,7-bis(tert-butyldimethylsilyloxy)-7-[(2R,5R,6S)-5-ethyl-5-(4-methoxybenzyloxy)-6-methyltetrahydropyran-2-yl]-3-(4-methoxybenzyloxy)oct-1-yne

(2S,3R,6S)-3,6-bis(tert-butyldimethylsilyloxy)-6-((2R,5R,6S)-5-ethyl-5-(4-methoxybenzyloxy)-6-methyltetrahydropyran-2-yl)-2-(4-methoxybenzyloxy)heptanal