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