(12Z,16E)-(3S,6R,7S,8S,14S,15S)-15-(tert-Butoxy-diphenyl-silanyloxy)-1,3,7-tris-(tert-butyl-dimethyl-silanyloxy)-4,4,6,8,12,14,16-heptamethyl-17-(2-methyl-thiazol-4-yl)-heptadeca-12,16-dien-5-one

(12Z,16E)-(3S,6R,7S,8S,14S,15S)-15-(tert-Butoxy-diphenyl-silanyloxy)-1,3-bis-(tert-butyl-dimethyl-silanyloxy)-7-hydroxy-4,4,6,8,12,14,16-heptamethyl-17-(2-methyl-thiazol-4-yl)-heptadeca-12,16-dien-5-one