Claims for Patent: 4,251,532

Summary for Patent: 4,251,532

Title:	1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine hydrochloride dihydrate
Abstract:	An improved anti-hypertensive agent, the hydrochloride salt of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine dihydrate.
Inventor(s):	Roteman; Robert (Waukegan, IL)
Assignee:	Abbott Laboratories (North Chicago, IL)
Application Number:	06/078,317
Patent Claims:	1. The compound 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine hydrochloride dihydrate. 2. A method of treating hypertension comprising administering a therapeutically effective amount of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl-4-(2-tetrahydrofuroyl) piperazine hydrochloride dihydrate to a patient in need of such treatment. 3. An antihypertensive pharmaceutical composition comprising a therapeutically effective amount of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl-4-(2-tetrahydrofuroyl)piperazine hydrochloride dihydrate and a pharmaceutically acceptable carrier or diluent.