(3S,6S,7R,8S)-3,7-Dihydroxy-4,4,6,8-tetramethyl-5-oxo-tridec-12-enoic acid (S)-1-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-but-3-enyl ester

(3S,6S,7R,8S)-3-(tert-Butyl-dimethyl-silanyloxy)-7-hydroxy-4,4,6,8-tetramethyl-5-oxo-tridec-12-enoic acid (S)-1-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-but-3-enyl ester