2-[(3E,7Z)-(2R,10S)-2-Methoxy-12-(4-methoxy-benzyloxy)-11,11-dimethyl-10-triethylsilanyloxy-dodeca-3,7-dien-5-ynyl]-oxazole-4-carboxylic acid

2-[(3E,7Z)-(2R,10S)-10-Hydroxy-2-methoxy-12-(4-methoxy-benzyloxy)-11,11-dimethyl-dodeca-3,7-dien-5-ynyl]-oxazole-4-carboxylic acid methyl ester