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