3-Amino-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Bromo-3-cyano-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine
5-Amino-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
5-Amino-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde