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