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