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