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