申请人:Dr. Madaus & Co.
公开号:US04835178A1
公开(公告)日:1989-05-30
The present invention provides compounds of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methoxy or ethoxy radical and R.sub.2 and R.sub.3 are hydrogen atoms or R.sub.2 and R.sub.3 together represent an aromatic carbon-carbon bond and R.sub.1 is a hydrogen atom, a hydroxyl group or an ethoxy radical; and the pharmaceutically acceptable salts thereof. The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them, as well as their use in therapy.
本发明提供了一般式为:##STR1##的化合物,其中R.sub.1是氢原子或甲氧基或乙氧基基团,R.sub.2和R.sub.3是氢原子或R.sub.2和R.sub.3一起代表芳香族碳-碳键,R.sub.1是氢原子、羟基或乙氧基;以及其药学上可接受的盐。本发明还提供了制备这些化合物的方法和含有它们的药物组合物,以及它们在治疗中的用途。