英文别名Esomeprazole Impurity 10 Monomer; 1-(6-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxopyridine-2-carboxylic acid; 1-(5-Methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydro-2-pyridinecarboxylic acid; Esomeprazole Impurity 10; Omeprazole pyridone acid; Esomeprazol Impurity H431; Esomeprazole Impurity 14; Esomeprazole Impurity 62; Esomeprazole related substance H431/41; Omeprazole impurity O