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