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