439867-75-1
(Z)-(1R,3S,7S,8R,10S,12S,18R)-7-(tert-Butyl-dimethyl-silanyloxy)-12-[(E)-(S)-1-(tert-butyl-dimethyl-silanyloxy)-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-3-methyl-5-methylene-9,13,22-trioxa-tricyclo[16.3.1.08,10]docosa-15,19-dien-14-one