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