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