5-Bromo-2-fluoro-4-nitro-3-(trifluoromethoxy)pyridine
3-Amino-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Bromo-6-cyano-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Amino-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxaldehyde