1,2,3,4-Tetrahydro-4-(p-hydroxyphenyl)-6-methyl-2-oxo-5-pyrimidinecarboxylic aci

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

1,2,3,4-Tetrahydro-4-(p-hydroxyphenyl)-6-methyl-2-oxo-5-pyrimidinecarboxylic acid