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