(1R,3R)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-6-hydroxy-5,6-dimethylhept-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)cyclohexane-1,3-diol; (1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-Octahydro-1-[(1R,2E,4S)-5-hydroxy-1,4,5-trimethyl-2-hexen-1-yl]-7a-methyl-4H-inden-4-ylidene]ethylidene]-1,3-cyclohexanediol; (1?,3?,7E,22E)-19-Nor-9,10-secoergosta-5,7,22-triene-1,3,25-triol; 19-Nor-1,25-dihydroxyvitamin D2; 1?,25-Dihydroxy-19-nor-vitamin D2; Zemplar
(1R,3R)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-6-hydroxy-5,6-dimethylhept-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)cyclohexane-1,3-diol; (1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-Octahydro-1-[(1R,2E,4S)-5-hydroxy-1,4,5-trimethyl-2-hexen-1-yl]-7a-methyl-4H-inden-4-ylidene]ethylidene]-1,3-cyclohexanediol; (1?,3?,7E,22E)-19-Nor-9,10-secoergosta-5,7,22-triene-1,3,25-triol; 19-Nor-1,25-dihydroxyvitamin D2; 1?,25-Dihydroxy-19-nor-vitamin D2; Zemplar