small section. 2.1 - (open square). closed square chinazoline and pirido par. 2.1 - (open square). closed square chinazoline replaced and process for their preparation

摘要

Substituted Pyrrolo [2,1-b] and Pyrido [2, 1 b] Quinazolines are provided, together with pharmaceutical compositions, containing them. The compounds have pharmaceutical utility, and are particularly useful for the treatment of or prevention of the formation of gastrointestinal ulcers.