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