(S,2Z,6E,8Z)-12-((2R,4S,6R)-4-hydroxy-6-methoxy-6-((R)-2-oxo-3-((2-(trimethylsilyl)ethoxy)carbonyl)thiazolidin-4-yl)tetrahydro-2H-pyran-2-yl)-3,10-dimethyldodeca-2,6,8-trienoic acid

(R)-4-((2R,4S,6R)-4-((tert-butyldimethylsilyl)oxy)-6-((S)-4-hydroxy-3-methylbutyl)-2-methoxytetrahydro-2H-pyran-2-yl)thiazolidin-2-one