918410-14-7

2H-Pyran-2-one,6-[(1E,3S,4S)-7-bromo-1,3,5,5-tetramethyl-6-oxo-4-[(triethylsilyl)oxy]-1-octen-1-yl]-4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]tetrahydro-, (4S,6S)-