(1alpha,3beta)-25-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-3-[[dimethyl(1,1,2-trimethylpropyl)silyl]oxy]-1-[(triethylsilyl)oxy]cholesta-5,7,16-trien-23-yn-22-ol (HCID 86753000)|Huagongshe