Ethyl 5-(chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate
6-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Bromomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetonitrile
5-(Bromomethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetonitrile