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