Methyl 3-cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetate
5-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 6-cyano-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
4-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile