申请人:Arzneimittelerk Dresden G.m.b.H.
公开号:US05306721A1
公开(公告)日:1994-04-26
A compound or its tautomer of Formula I, ##STR1## wherein R.sup.1 is hydrogen, a 6-methyl, 6-fluoro, 6-chloro, 6-bromo, or 6,7-dimethoxy residue, R.sup.2 is hydrogen, or a methyl residue, and n is 1 or 2, and tautomers and their pharmaceutically acceptable alkali, or ammonium salts.
化合物或其互变异构体的化学式I,其中R.sup.1为氢,6-甲基,6-氟,6-氯,6-溴或6,7-二甲氧基残基,R.sup.2为氢或甲基残基,n为1或2,以及其互变异构体和其药学上可接受的碱性或铵盐。