Synthesis and Antihypertensive Screening of New Derivatives of Quinazolines Linked with Isoxazole

Figure 3

Graph showing effect of i.v. inj. of adrenaline (3 μg/Kg) 30 min after prazosin and some test compounds 1, 16, 19, 20, 23, 24, 27, and 28 at a dose of 5 mg/Kg on systolic blood pressure of anaesthetized albino rats.