Synonyms: 5-Pyrimidinecarboxylicacid, 1,4-dihydro-4-oxo-, ethyl ester (9CI);5-Pyrimidinecarboxylic acid, 4-hydroxy-,ethyl ester (6CI,7CI,8CI);5-Ethoxycarbonyl-4-hydroxypyrimidine;Ethyl3,4-dihydro-4-oxopyrimidine-5-carboxylate;Ethyl4-hydroxy-5-pyrimidinecarboxylate;NSC 69216;