There are disclosed certain alkali metal, alkaline earth metal, amine and amino acid salts of 3-(n-butyl)-4-hydroxy-1-phenyl-1,8-naphthyridine-2(1H)-one which, unlike the parent compound, are useful for orally treating chronic obstructive lung diseases such as asthma, bronchitis and the like.
                            本发明公开了3-(正丁基)-
4-羟基-1-苯基-
1,8-萘啶-2(1H)-酮的某些碱
金属、碱土
金属、胺和
氨基酸盐,与原始化合物不同的是,这些盐对于口服治疗慢性阻塞性肺疾病如哮喘、支气管炎等是有用的。