Chemical Name: 4,20-Dioxa-3,21-disilatricos-16-en-9-one, 7,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2,3,3,8,8,10,12,16,21,21,22,22-tridecamethyl-19-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (7S,10R,11S,12S,16Z,19S)- (9CI); 4,20-Dioxa-3,21-disilatricos-16-en-9-one, 7,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2,3,3,8,8,10,12,16,21,21,22,22-tridecamethyl-19-[1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, [7S-[7R*,10S*,11R*,12R*,16Z,19R*(E)]]-; (3S,6R,7S,8S,12Z,15S,16E)-1,3,7,15-Tetrakis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4,4,6,8,12,16-hexamethyl-17-(2-methyl-4-thiazolyl)-12,16-heptadecadien-5-one