Optionally substituted 1,2,3,5-tetrahydroimidezo(2,1-b)- quinazolin-2-ones and 6(H)-1,2,3,4-tetrahydropyimido(2,1-b)quinazolin-2- ones

摘要

Optionally substituted 1,2,3,5-tetrahydroimidazo 2,1-b!- quinazolin-2- ones and 6- H!-1,2,3,4-tetrahydropyrimido 2,1-b!-quinazolin- 2-ones or the pharmaceutically acceptable salts thereof are compounds useful as blood platelet anti-aggregative and/or antihypertensive and/or bronchodilator agents in mammals, including humans.