1,3-双Tbs-钙泊三醇

(Alphas)-Alpha-[(1E,3R)-3-[(1R,3As,4E,7Ar)-4-[(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]-2-Methylenecyclohexylidene]Ethylidene]Octahydro-7A-Methyl-1H-Inden-1-Yl]-1-Buten-1-Yl]Cyclopropanemethanol