4-Bromo-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylic acid
4-Bromo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylic acid
4-Bromo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylic acid
3-Bromo-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylic acid