Ethyl 6-chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 4-cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile