中文同义名：

3,4-二氢-4-氧代-1-酞嗪羧酸; 4-羟基酞嗪-1-羧酸; 4-羟基二氮杂萘-1-羧酸; 4-氧代-3,4-二氢-酞嗪-1-羧酸; 4-氧代-3,4-二氢酞嗪-1-羧酸; 4-氧代-3H-酞嗪-1-羧酸;

英文同义名：

4-Hydroxyphthalazine-1-carboxylicacid; 1-phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-; 4-oxo-3,4-dihydrophthalazine-1-carboxylic acid(SALTDATA: FREE); 4-keto-3H-phthalazine-1-carboxylic acid; 4-oxo-3H-phthalazine-1-carboxylic acid;