Ethyl 2-cyano-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
3-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
Ethyl 2-cyano-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetate
4-Chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile