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