英文别名Omeprazole Impurity 3; 4-CHLORO-3,5-DIMETHYL 2-CHLORMETHYL PYRIDINE; 4-chloro-2-(chloromethyl)-3,5-dimethylpyridine; Omeprazole Impurity 41; Esomeprazole Sodium Impurity 41; Pyridine, 4-chloro-2-(chloromethyl)-3,5-dimethyl-; Esomeprazole Impurity 100; 4-chloro-2-chloromethyl-3,5-dimethyl-pyridine; 2-chloromethyl-4-chloro-3,5-dimethylpyridine; Esomeprazole Impurity 39 
