英文别名
2-methylene-19-nor-20(R)-1α-hydroxy-bishomopregnacalciferol;2-methylene-19-nor-(20R)-1α-hydroxy-bishomopregnacalciferol;(1R,3R)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-butan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-2-methylidenecyclohexane-1,3-diol