cholecalciferol
...光中波长296～310μm的紫外线，照射皮肤基底层内贮存的7-脱氢胆固醇（7-dehydrocholesterol）转化为胆骨化醇（cholecalciferol）即维生素D3..
cholec alciferol
as Cholecalciferol
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