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