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