4-(2,3-Dichlorophenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-5-pyrimidinecarboxylic

4-(2,3-Dichlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid

4-(2,3-Dichlorophenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-5-pyrimidinecarboxylic acid