A series of novel pyrimido[2,1-a]isoquinoline derivatives is provided for use as inhibitors of allergic reactions. The compounds exhibit antiallergy activity by both oral and parenteral routes of administration.
                            提供了一系列新型
吡咯并[2,1-a]
异喹啉衍
生物,用作抑制过敏反应的药物。这些化合物通过口服和注射途径展现抗过敏活性。