A quinazolinone derivative of the formula:
wherein R is lower alkyl, lower alkoxy or halogen and a process for preparing the same are disclosed. In form of a pharmaceutical composition said quinazolinone derivative (I) or a pharmaceutically acceptable acid addition salt thereof is useful as central muscle relaxant.
本发明公开了一种式如下的
喹唑啉酮衍
生物:
其中 R 为低级烷基、低级烷
氧基或卤素的
喹唑啉酮衍
生物及其制备方法已经公开。所述
喹唑啉酮衍
生物 (I) 或其药学上可接受的酸加成盐以药物组合物的形式用作中枢性肌肉松弛剂。