(2E)-methyl 3-((2S,3S)-3-((3E,7S,8R)-8-((tert-butyldimethylsilyl)oxy)-3,7-dimethylnona-1,3-dien-1-yl)-2-methyloxiran-2-yl)acrylate

(2E,4R,5E,8E,12S,13R)-4-hydroxy-4,8,12-trimethyl-7,13-bis((triethylsilyl)oxy)tetradeca-2,5,8-trienoic acid