3-Bromo-6-(difluoromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine
2-Bromo-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
5-Bromo-2-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine
6-Bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid