Ethyl 2-fluoro-3-nitro-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 5-(aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-acetate
6-(Chloromethyl)-2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-6-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine