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