299411-15-7

4,7,11-Trioxa-3,12-disilatetradecane,6-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-butynyl]-5-ethenyl-2,2,3,3,12,12,13,13-octamethyl-, (5R,6S)-