2-Amino-3-fluoro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Amino-6-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
3-Amino-6-fluoro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-5-(chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine