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