220889-54-3 9,12,16-Heptadecatrienoic acid,3,7,15-tris[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-5-oxo-, (3S,6R,7S,8S,9Z,12Z,15S,16E)- 220889-53-2 9,12,16-Heptadecatrienoic acid,3,7,15-tris[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-5-oxo-, methyl ester,(3S,6R,7S,8S,9Z,12Z,15S,16E)-