48.Vitamin D2 係由固醇骨架上那個碳鍵斷裂,開環而得?
(A)C7-C8
(B)C8-C9
(C)C9-C10
(D)C10-C11
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統計: A(643), B(667), C(2933), D(417), E(0) #537279
統計: A(643), B(667), C(2933), D(417), E(0) #537279
詳解 (共 4 筆)
#4980298
維生素D整理
名稱 | Vitamin相關名稱 | 雙鍵數 |
| Calciferol | Provitamin D3 | 2 |
| Cholecalciferol(皮膚) | Vitamin D3 | 3 |
| Ergosterol(麥角固醇) | Provitamin D2 | 3 |
| Ergocalciferol(植物) | Vitamin D2 | 4 |
| Paricalcitol [108-2] | x | 3 |
| Doxercalciferol | x | 4 |
23
0
#7594779
https://www.researchgate.net/publication/334986359/figure/fig1/AS:11431281386794999@1745089371043/The-structure-of-vitamin-D2-vitamin-D3-and-their-precursors-The-structural-difference.tif
0
0