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