N-[3-[2-(1H-Imidazol-1-yl)ethoxy]phenyl]-4-(2-thienyl)- 2-pyrimidinamine and pharmacologically acceptable salts, useful as antiasthma agents and treatment of allergic diseases and exhibiting improved bioavailability properties.
                            N-[3-[2-(
1H-咪唑-1-基)乙氧基]苯基]-4-(2-
噻吩基)-2-
嘧啶胺及药理上可接受的盐类,可用作抗哮喘药和治疗过敏性疾病,并具有更好的
生物利用度特性。