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