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