英文别名(5R)-ethyl 5-((1R,3aS,7aR)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldimethylsilyloxy)-2-methylenecyclohexylidene)ethyl)-7a-methyloctahydro-1H-inden-1-yl)hexanoate; ethyl (1S),3(R)-bis(tert-butyldimethylsilyl)oxy-9,10-seco-26,27-bisnorcholesta-5(E),7(E),10(19)-trien-25-oate; Calcitriol Intermediate; (R)-ethyl 5-((1R,3aS,7aR,E)-4-((E)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)hexanoate; (1alpha,3beta,5E,7E)-1,3-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19)-triene-24-carboxylicacidethylester; 9,10-Secochola-5,7,10(19)-triene-24-carboxylic acid, 1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, ethyl ester, (1α,3β,5E,7E)- (9CI); Calcitriol Impurity 13; (R)-5-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(E)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-hexanoic acid ethyl ester 
