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