Methyl 3-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
6-Cyano-4-(fluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
Methyl 5-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-cyano-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate