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