Pyrimidoisoquinoline/compounds of the formula: ##STR1## where R.sup.1 is H, halogen or lower alkyl, R.sup.2 is NH.sub.2, NO.sub.2 or acylamino and R.sup.3 is carboxy or protected carboxy, pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof are disclosed in this application. Also disclosed is a method of treating allergies by administering the compounds of this invention.
本申请揭示了公式为:##STR1##其中R.sup.1为H、卤素或较低烷基,R.sup.2为NH.sub.2、NO.sub.2或酰基
氨基,R.sup.3为羧基或保护羧基的
吡咯并
异喹啉/化合物,其药学上可接受的盐以及其药物组合物。本发明还揭示了通过给予本发明的化合物来治疗过敏的方法。