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