[3R,4S,5S,8S,9R,10R,11R,12S]-9-[(tert-butyldimethylsilyl)oxy]-12-methoxy-3-[(4-methoxybenzyl)oxy]-2,4,8,10-tetramethyl-11-[(triethylsilyl)oxy]tetradec-13-en-5-ol-7-one

[3S,4R,5R,6S,7R,8R]-6-[(tert-butyldimethylsilyl)oxy]-8-[(3,4-dimethoxybenzyl)oxy]-5,7-dimethyl-3-methoxy-4-[(triethylsilyl)oxy]non-1-ene