2-Chloro-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carbonyl chloride
2-Chloro-4-iodo-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-Chloro-5-hydroxy-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-Chloro-4-iodo-3-(trifluoromethoxy)pyridine-5-carbonyl chloride