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