188260-22-2 Oxacyclohexadec-13-ene-2,6-dione,4,8-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5,5,7,9-tetramethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (4S,7R,8S,9S,13E,16S)- 496917-94-3 1,3-Dioxaspiro[4.5]dec-7-en-4-one,2-(1,1-dimethylethyl)-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-6-[(1E,3S)-3-hydroxy-2-methyl-1,5-hexadienyl]-9-methyl-, (2R,5S,6S,9R)-