3-(Aminomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Bromo-2-cyano-4-(difluoromethyl)pyridine-3-acetic acid
3-(Bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-methanol