A novel quinaldinamide derivative having the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 independently represents a lower alkyl group or R.sup.1 and R.sup.2 are combined together with the adjacent nitrogen atom to form a 5-7 membered ring; and X represents the hydrogen atom, a lower alkyl group or a lower alkoxy group, and its acid-addition salt, which show prominent central muscle relaxant effect, namely rigidity relieving effect on anemic decerebrated rigidity.
一种具有以下结构的新型
喹啉酰胺衍
生物:##STR1## 其中R.sup.1和R.sup.2中的每一个独立地表示较低的烷基基团,或者R.sup.1和R.sup.2与相邻的氮原子结合形成一个5-7成员环;X代表氢原子、较低的烷基基团或较低的烷氧基基团,以及其酸加盐,表现出显著的中枢肌肉松弛作用,即对贫血性脑神经节刚性的缓解作用。