(4S,7R,8S,9S,16S)-4,8-Dihydroxy-5,5,7,9-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)-1-ethenyl]-1-oxa-cyclohexadecen-(13E)-en-2,6-dione

(3S,6R,7S,8S,12E,15S,16E)-3,7,15-tris{[(tert-butyl)dimethylsilyl]oxy}-4,4,6,8,16-pentamethyl-17-(2-methylthiazol-4-yl)-5-oxoheptadeca-12,16-dienoic acid