Methyl 3-chloro-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-5-acetate
2-(Bromomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxaldehyde