英文别名3-(2-chloroethyl)-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one; 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one; 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]-pyrididine-4-one (intermediate of Risperidone); 3-(2-CHLORO-ETHYL)-2-METHYL-6,7,8,9-TETRAHYDRO-PYRIDO[1,2-A]PYRIMIDIN-4-ONE; 3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDINO[1,2-A]PYRIMIDINE-4-ONE; 3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO(1,2A)PYRIMIDINE-4-ONE; 3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRLDO[1,2-A]PYRIMDIN-4-ONE; 3-2(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-alpha]pyrimnidin-4-one; 3-2(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO[1,2-A]PYRIMDIN-4-ONE