3-Bromo-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetic acid
3-Bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-acetic acid
6-Bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetic acid
6-Bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetic acid