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