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