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 ##STR1## wherein R. sup.1 is hydrogen or lower alkanoyl, R.sup.2 is hydrogen or lower alkyl, and R. sup.3 is hydrogen, lower alkyl or trifluoromethyl. The above compounds have useful hypotensive activity and anti-allergy activity.