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