4-Chloro-2,3,5-trimethyl-1-oxidopyridin-1-ium

4-Chloro-2,3,5-trimethyl-1-oxidopyridin-1-ium is a chemical compound is a pyridine derivative distinguished by the presence of a chloro group and three methyl groups, and it exists as a pyridine N-oxide, which means it has an oxygen atom bonded to the nitrogen of the pyridine ring forming a positively charged N-oxide structure.