3-Pyridinecarboxylic acid,6-amino, 2-Amino-5-pyridinecarboxylic acid, 6-Aminonicotinic acid, 5-carboxy-2-aminopyridine, 3-Pyridinecarboxylic acid, 6-amino-, 6-Aminonicotinicacid, 6-aminopyridine-3-carboxylic acid, Cinchomeronic acid, 2-amino-5-carboxypyridine, 2-aminopyridine-5-carboxylic acid, Nicotinic acid,6-amino