5-CHLORO-6-PIPERAZIN-1-YL-NICOTINIC ACID

5-Chloro-6-(piperazin-1-yl)pyridine-3-carboxylic acid, 3-Carboxy-5-chloro-6-(piperazin-1-yl)pyridine, 1-(5-Carboxy-3-chloropyridin-2-yl)piperazine