Methyl 3-(chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-2-acetate
3-Cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
Methyl 2-cyano-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
3-Cyano-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetic acid