英文别名3,5-dimethyl-4-nitro-1-oxidopyridin-1-ium; Pyridine,3,5-dimethyl-4-nitro-, 1-oxide; 3,5-diMethyl-4-nitro-1$l^{5}-pyridin-1-one; 3,5-DIMETHYL-4-NITROPYRIDINE-N-OXIDE; Esomeprazole Impurity 45 (4-Nitro-3, 5-Dimethylpyridine N-oxide); Esomeprazole Sodium Impurity 43; 4-Nitro-3, 5-Dimethylpyridine N-oxide; 3,5-dimethyl-4-nitropyridine oxide 
