The present invention is directed to pyridazino[4,3-c]isoquinolines of Formula I ##STR1## wherein R represents methyl, phenyl or substituted phenyl groups, R.sub.1 represents inter alia amino or substituted amino, alkoxy or cycloalkoxy groups, having pharmacological activity, to process for preparing them and to the pharmaceutical compositions containing them. The compounds of the invention possess anti-anxiety activity.
本发明涉及公式I的
吡啶并[4,3-c]
异喹啉:##STR1## 其中R代表甲基,苯基或取代苯基基团,R.sub.1代表
氨基或取代
氨基,烷氧基或环烷氧基基团等,具有药理活性,以及制备它们的过程和含有它们的制药组合物。本发明化合物具有抗焦虑活性。