4-Amino-6,7-dimethoxy quinazoline derivatives of the general formula
wherein A is
wherein n is an integer of 1 or 2, or
wherein X is O or CH2, and n and m are independently an integer of 1 or 2, and their non-toxic pharmaceutically acceptable salts, a process for their preparation, a pharmaceutical composition with antihypertensive activity containing a compound of the general formula I and the use of compounds I for the preparation of an antihypertensive pharmaceutical composition.
通式为
4-氨基-6,7-二甲氧基喹唑啉衍
生物
其中 A 是
其中 n 是 1 或 2 的整数,或
其中X为O或
CH2,且n和m独立地为1或2的整数,以及它们的无毒药学上可接受的盐、它们的制备方法、含有通式I化合物的具有抗高血压活性的药物组合物,以及化合物I在制备抗高血压药物组合物中的用途。