3-(2-Chloorethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidine-4-on

3-(2-???)-2-??-4h-??[1,2-a]???-4-? ; 3-(2-chloroethyl)-2-methylpyrido[1,2-?]pyrimidin-4-one ; 3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one ; 3-(2-chloorethyl)-2-methyl-4h-pyrido[1,2-a]pyrimidine-4-on ; 3-(2-chloroethyl)-2-methyl-4h-pyrido-[1,2-a]pyrimidin-4-one ; 3-(2-chloroethyl)-2-methyl-4h-pyrido[1,2-a] pyrimnidin-4-one ; 3-(2-chloroethyl)-2-methyl-4h-pyrido-[1,2-alpha]pyrimidin-4-one ; 3-(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4h-pyridin[1,2-a]-pyrimidinec4-one ; 3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one 3-(2-chloroethyl)-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one