(1R,3S,5Z)-4-Methylene-5-[(2E)-2-[(1S,3aS,7aS)-octahydro-1-[(1S)-1-(3-hydroxy-3-methylbutoxy)ethyl]-7a-methyl-4H-inden-4-ylidene]ethylidene]-1,3-cyclohexanediol; 1?,25-Dihydroxy-22-oxavitamin D3; 22-Oxa-1,25-dihydroxyvitamin D3; 22-Oxa-1?,25-dihydroxyvitamin D3; MC 1275; Maxacalcitol; OCT; OCT (steroid); Oxarol; Prezios; 22-Oxacalcitriol