Synonyms: 4H-Pyrimido[6,1-a]isoquinolin-4-one,6,7-dihydro-9,10-dimethoxy-6-methyl-2-[(2,4,6-trimethylphenyl)amino]-,monohydrochloride (9CI); 4H-Pyrimido[6,1-a]isoquinolin-4-one,6,7-dihydro-9,10-dimethoxy-6-methyl-2-[(2,4,6-trimethylphenyl)amino]-,monohydrochloride, (?à)-