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