Reaction products of pyrazolo[1,5-c]quinazoline derivatives and proline derivatives and methods for reducing blood pressure while inhibiting allergic reactions with them

摘要

Compounds of the following structure are provided <IMAGE> wherein R1 is hydrogen or lower alkanoyl, R2 is hydrogen or lower alkyl, and R3 is hydrogen, lower alkyl or trifluoromethyl. The above compounds have useful hypotensive activity and anti-allergy activity.