1-METHYL-4-(3-METHYL-5-ISOXAZOLYL)-PYRIDINIUM CHLORIDE 1-Methyl-4-(3-methyl-5-isoxazolyl)pyridinium chloride 18704-49-9 I-Methyl-4-(3-methyl-5-isoxazolyl)pyridinium Pyridinium, 1-methyl-4-(3-methyl-5-isoxazolyl)-, chloride