128767-22-6 2,3,5,6,7,8-Hexahydro-5-((dimethylamino)methylene)-3-oxo-4-isoquinolinecarbonitrile 4-Isoquinolinecarbonitrile, 2,3,5,6,7,8-hexahydro-5-((dimethylamino)methylene)-3-oxo- BRN 4189765