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