Synonyms: 1,3-Cyclohexanediol,4-methylene-5-[[octahydro-1-(5-hydroxy-1-methyl-5-propyloctyl)-7a-methyl-4H-inden-4-ylidene]ethylidene]-,[1R-[1a(R*),3ab,4E(1R*,3S*,5Z),7aa]]-; 1a,25-Dihydroxy-26,27-diethylvitamin D3; 26,27-Diethyl-1a,25-dihydroxyvitamin D3