A fluorine-containing vitamin D2 derivative represented by the following formula
wherein R1 represents a methyl or trifluoromethyl group, and R2 represents a trifluoromethyl group when R1 is a methyl group, and a hydrogen atom or a methyl group when R1 is a trifluoromethyl group. This compound is useful for the prevention or treatment of caloium pathobolism or osteoporoeis.
一种含
氟维生素 D2 衍
生物,由下式表示 其中 R1 代表甲基或三
氟甲基,当 R1 为甲基时,R2 代表三
氟甲基,当 R1 为三
氟甲基时,R2 代表氢原子或甲基。 该化合物可用于预防或治疗
钙致病性或骨质疏松症。