Pyrazolo 1,5-C! quinazoline derivatives and their use in treating allergic conditions

摘要

Compounds are provided having the structure IMAGE wherein R1 is carboxyl; hydroxymethyl; CO2R3 wherein R3 is lower alkyl, Li+, Na+ or K+; or IMAGE R2 is hydrogen, lower alkyl, aryl or trifluoromethyl; and X is hydrogen, lower alkyl, lower alkoxy, halogen (Cl, Br and F), or trifluoromethyl. These compounds are useful as anti-allergics.