中文同义名：

4-羟基-5-氰基嘧啶; 5-氰基-4-羟基嘧啶; 4-羟基嘧啶-5-甲腈;

英文同义名：

4-HYDROXYPYRIMIDINE-5-CARBONITRILE; 5-Pyrimidinecarbonitrile, 1,4-dihydro-4-oxo- (9CI); 1,4-Dihydro-4-oxo-5-pyrimidinecarbonitrile; 1,6-Dihydro-6-oxo-5-pyrimidinecarbonitrile; 4-Oxo-1,4-dihydro-pyrimidine-5-carbonitrile;