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