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