4-Amino-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
4-Bromo-3-cyano-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine
3-Amino-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Bromo-3-cyano-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine