英文别名2-(hydroxymethyl)-5-methoxy-4-pyranone; 2-(hydroxymethyl)-5-methoxy-pyran-4-one; 2-(hydroxymethyl)-5-methoxypyran-4-one; 4H-Pyran-4-one, 2-(hydroxymethyl)-5-methoxy-; 5-methoxy-2-methylol-pyran-4-one; HYDROXYMETHYLMETHOXYPYRANONE; Kojic Impurity 6