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