3-(Bromomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Chloromethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
2-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
6-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid