英文别名Pantoprazole Impurity 53; 3,4-DIMETHOXY-2-METHYLPYRIDINE N-OXIDE; 3,4-DIMETHOXY-2-MEHTYLPRIDINE N-OXIDE; 2-METHYLPYRIDINE-3,4-DIMETHOXY-N-OXIDE; 3,4-dimethoxy-2-methyl-1-oxidopyridin-1-ium; Pyridine,3,4-dimethoxy-2-methyl-, 1-oxide; Pantoprazole Impurity 34; Pantoprazole Impurity 13; 2-methyl-3,4-dimethoxypyridine-N-oxide 
