2-Bromo-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylic acid
5-Bromo-4-iodo-2-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-4-iodo-5-(trifluoromethoxy)pyridine-2-sulfonamide