Novel compounds of the formula: ##STR1## wherein R and R.sup.1 are C.sub.1 -C.sub.6 alkyl or cycloalkyl and R.sup.2 and R.sup.3 are independently selected from C.sub.1 -C.sub.6 alkyl or aryl or --NR.sup.2 R.sup.3 forms a heterocyclic group which may be further substituted are disclosed. These compounds were found to possess muscle relaxant properties.
新化合物的
化学式为:##STR1## 其中R和R.sup.1为C.sub.1 -C.sub.6烷基或环烷基,R.sup.2和R.sup.3分别选自C.sub.1 -C.sub.6烷基或芳基或--NR.sup.2 R.sup.3形成的杂环基团,该基团可能进一步被取代。已经披露这些化合物具有肌肉松弛作用。