申请人:Rhone-Poulenc Rorer S.A.
公开号:US05726175A1
公开(公告)日:1998-03-10
A compound of formula (I): ##STR1## wherein R, R.sub.1, R.sub.2, and R.sub.3 are as defined in the application, salts thereof, preparation thereof and drugs containing same.
公式(I)的化合物:##STR1## 其中R,R.sub.1,R.sub.2和R.sub.3如申请中所定义,其盐,其制备方法以及含有它的药物。