6-(3-METHYL-PIPERAZIN-1-YL)-NICOTINIC ACID

6-(3-Methylpiperazin-1-yl)pyridine-3-carboxylic acid, 3-Carboxy-6-(3-methylpiperazin-1-yl)pyridine, 1-(5-Carboxypyridin-2-yl)-3-methylpiperazine