A quinazolinone derivative of the formula: ##STR1## wherein R is lower alkyl, lower alkoxy or halogen. Said quinazolinone derivative (I) or a pharmaceutically acceptable acid addition salt thereof is useful as central muscle relaxants.
一种
喹唑啉酮衍
生物的
化学式如下:##STR1## 其中R为较低的烷基、较低的烷氧基或卤素。所述的
喹唑啉酮衍
生物(I)或其药学上可接受的酸盐可用作中枢肌肉松弛剂。