Synonyms: Isocarbostyril,1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl- (6CI); Isocarbostyril,3,4-dihydro-6,7-dimethoxy-2-methyl- (7CI,8CI);6,7-Dimethoxy-2-methyl-3,4-dihydroisoquinolin-1(2H)-one;N-Methyl-6,7-dimethoxytetrahydroisoquinol-1-one; N-Methylcorydaldine; NSC194246