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