492445-71-3 Oxacyclohexadec-13-ene-2,6-dione,13-(hydroxymethyl)-5,5,7,9-tetramethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,8-bis[(trimethylsilyl)oxy]-, (4S,7R,8S,9S,13E,16S)- 470463-08-2 Oxacyclohexadeca-11,13-diene-2,6-dione,4,8-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5,5,7,9,13-pentamethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-,(4S,7R,8S,9S,11E,13Z,16S)-