发明公开
EP0227026A1 Pyrazine derivative, a process for preparation thereof and pharmaceutical composition therefrom 失效
的吡嗪衍生物,其制备方法以及含有它们的药物组合物的过程。

Pyrazine derivative, a process for preparation thereof and pharmaceutical composition therefrom
摘要:
Novel pyrazine derivatives useful for treatment of bronchial asthma, allergic gastroenteric trouble, hay fever urticaria, allergic rhinitis, allergic conjunctivitis are disclosed.
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