2-Pyridinecarboxylicacid,4-hydroxy-3,5-dimethyl-(9CI)

4-Hydroxy-3,5-dimethylpicolinic Acid is a derivative of pyridine hydrochloride (P991280), a base structure present in many biologically active compounds like the vitamins niacin and pyridoxal. Pyridine is used in dehalogenation reactions and can be used as a base in condensation reactions.