申请人:Schering Aktiengesellschaft
公开号:US05710138A1
公开(公告)日:1998-01-20
Compounds of formula I ##STR1## are described, in which substituents R.sup.1 -R.sup.4 have the meanings mentioned in the application as well as their production and use in pharmaceutical agents.
化合物的化学式I ##STR1## 描述了其中取代基R.sup.1 -R.sup.4的含义,以及它们在制药剂中的生产和用途。