Methyl 3-cyano-2-methyl-4-(trifluoromethoxy)pyridine-6-acetate
Ethyl 6-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
4-(Chloromethyl)-2-cyano-3-nitro-6-(trifluoromethoxy)pyridine
3-Cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid