4-thiazolyl
Oxacyclohexadec-13-ene-2,6-dione,13-(fluoromethyl)-4,8-dihydroxy-5,5,7,9-tetramethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (4S,7R,8S,9S,13E,16S)-
4-Oxabicyclo[14.1.0]heptadec-14-ene-5,9-dione,7,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8,8,10,12,16-pentamethyl-3-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-,(1S,3S,7S,10R,11S,12S,14E,16S)-