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