申请人:Hoffmann-La Roche Inc.
公开号:US04612324A1
公开(公告)日:1986-09-16
Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each individually is hydrogen, or lower alkyl and R.sup.4 is hydroxy, lower alkoxy, aryl-(lower alkoxy), amino, mono(lower alkyl)amino or di(lower alkyl) amino, and pharmaceutically acceptable salts thereof which are useful in the treatment of degenerative joint diseases and of Wilson's disease are described.
本发明涉及一种公式为##STR1##的化合物,其中R.sup.1、R.sup.2和R.sup.3各自独立地是氢或较低的烷基,R.sup.4是羟基、较低的烷氧基、芳基-(较低的烷氧基)、氨基、单(较低的烷基)氨基或双(较低的烷基)氨基,以及其药学上可接受的盐,其在治疗退行性关节疾病和威尔逊病方面有用。