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