(Z)-(4S,7S,8R,9S,16S)-4,8-Dihydroxy-5,5,7,9-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-oxacyclohexadec-13-ene-2,6-dione

(12Z,16E)-(3S,6S,7R,8S,15S)-3,7-Bis-(tert-butyl-dimethyl-silanyloxy)-15-hydroxy-4,4,6,8,16-pentamethyl-17-(2-methyl-thiazol-4-yl)-5-oxo-heptadeca-12,16-dienoic acid

(3S,6S,7R,8S)-3-(tert-Butyl-dimethyl-silanyloxy)-7-hydroxy-4,4,6,8-tetramethyl-5-oxo-tridec-12-enoic acid (S)-1-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-but-3-enyl ester