Chemical Name: [3S-(3R*,6S*,7R*,8R*,12Z,15R*,16E)]-3,7-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-5-oxo-12,16-heptadecadienoic Acid;12,16-Heptadecadienoic acid, 3,7-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-5-oxo-, [3S-(3R*,6S*,7R*,8R*,12Z,15R*,16E)]- (3S,6R,7S,8S,12Z,15S,16E)-3,7-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-5-oxo-12,16-heptadecadienoic acid;