Ethyl 3-cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
6-Cyano-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Cyano-2-(difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
2-Cyano-4-methyl-5-(trifluoromethoxy)pyridine-3-sulfonamide