Methyl 3-(chloromethyl)-2-cyano-5-(trifluoromethoxy)pyridine-6-acetate
3-(Bromomethyl)-2-fluoro-5-methoxy-4-(trifluoromethoxy)pyridine
Ethyl 4-cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-chloro-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate