Ethyl 2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
2-Fluoro-6-(fluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine
Ethyl 6-cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetate
Methyl 3-cyano-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate