Methyl 4-(4-chlorophenyl)-6-(2-methoxy-2-oxoethyl) -2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylateMethyl 4-(4-chlorophenyl)-6-(2-methoxy-2-oxoethyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylatemethyl 4-(4-chlorophenyl)-6-(2-methoxy-2-oxoethyl)-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate