A series of 1,6-dihydro-6-oxo-2-(ortho-substituted phenyl)pyrimidine-5-carboxylic acid derivatives is provided for use as inhibitors of allergic reactions. The compounds show antiallergy activity by both oral and parenteral routes of administration.
                            提供了一系列1,6-二氢-6-氧-2-(邻位取代苯基)
嘧啶-5-
羧酸衍
生物,用作抗过敏反应的
抑制剂。这些化合物通过口服和注射途径展现抗过敏活性。