英文别名N-OXIDE-2,4-DIMETHYL-3-PYRIDINE CARBOXYLIC ACID; 2,4-dimethyl-1-oxidopyridin-1-ium-3-carboxylic acid; 3-Pyridinecarboxylic acid, 2,4-dimethyl-, 1-oxide; Fampridine Impurity 57; 2,6-dimethylnicotinic acid N-oxide; 2,4-dimethylnicotinic acid N-oxide; 2,4-dimethyl-1-oxy-nicotinic acid; 2,4-dimethyl-3-pyridine carboxylic acid N-oxide; 3-CARBOXY-2,4-DIMETHYLPYRIDINE 1-OXIDE 
