(2s,5r)-2-((1r,3Ar,4s,7ar)-4-{[tert-butyl(dimethyl)silyl]oxy}-7a-methyloctahydro-1h-inden-1-yl)-5,6-dimethyl-6-[(trimethylsilyl)oxy]heptan-3-ol (HCID 68937095)|Huagongshe