(3S,6R,7S,8S)-7-(tert-Butyl-dimethyl-silanyloxy)-4,4,6,8-tetramethyl-5-oxo-3-triethylsilanyloxy-dec-9-enoic acid (E)-(S)-1-acetyl-4-trifluoromethyl-hepta-3,6-dienyl ester

(10E,13E)-(4S,7R,8S,9S,16S)-8-(tert-Butyl-dimethyl-silanyloxy)-5,5,7,9-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-4-triethylsilanyloxy-13-trifluoromethyl-oxacyclohexadeca-10,13-diene-2,6-dione