1-<2-(3,4-Dimethoxyphenyl)-1-methylethyl>pyrimidin-2,4,6(1H,3H,5H)-trion
9,10-Dimethoxy-3,6-dimethyl-2-[(E)-2,4,6-trimethyl-phenylimino]-2,3,6,7-tetrahydro-pyrimido[6,1-a]isoquinolin-4-one; hydrochloride
9,10-Dimethoxy-6-methyl-2-(2,4,6-trimethyl-phenylamino)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one; hydrochloride