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

[2S,4R]-2,4-dimethyl-pentanedioic acid monomethyl ester

[2R,4S]-5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-pentanoic acid methyl ester

[2R,4S]-5-hydroxy-2,4-dimethyl-pentanoic acid methyl ester