3-(Bromomethyl)-4-cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine
5-Chloro-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 2-cyano-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-(Chloromethyl)-3-cyano-5-(trifluoromethoxy)pyridine-6-acetic acid