申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US04973576A1
公开(公告)日:1990-11-27
"Novel bisphosphonic acid derivatives, and a bone resorption-inhibitor and an anti-arthritis containing a bisphosphonic acid derivative represented by the formula (I): ##STR1## wherein R.sup.2 represents a hydrogen atom, an alkyl group, etc., R.sup.2 represents a hydrogen atom or a lower alkanoyl group, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 may be the same or different, each represents a hydrogen atom or lower alkyl group."
新型双膦酸衍生物,以及一种由式(I)所代表的含有双膦酸衍生物的骨吸收抑制剂和抗关节炎药物:##STR1## 其中R.sup.2代表氢原子、烷基等,R.sup.2代表氢原子或较低的烷酰基团,R.sup.3、R.sup.4、R.sup.5和R.sup.6可以相同也可以不同,每个代表氢原子或较低的烷基团。