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