7-(9-{(1E)(3S,4S)-4-[(4-methoxyphenyl)methoxy]-3,5-dimethylhex-1-enyl}(7S,9R)-6,10-dioxospiro[4.5]dec-7-yl)-1-{9-[(1S)-1-methyl-2-(phenylmethoxy)ethyl](7S,9R)-6,10-dioxaspiro[4.5]dec-7-yl}(4S,6S)-4-hydroxy-6-(tert-butyldimethylsilyloxy)heptan-2-one

(5S,6S,7S)-7-[4-(methoxybenzyl)oxy]-5-hydroxy-2,6,8-trimethyl-3-nonanone