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