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