[(1R,3Z,5S)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R)-7-hydroxy-7-methyloct-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-acetyloxy-4-methylidenecyclohexyl] acetate 生成
(22E)-1alpha,25-dihydroxy-22,23-didehydro-24a-homovitamin D3/(22E)-1alpha,25-dihydroxy-22,23-didehydro-24a-homocholecalciferol