2-(Difluoromethyl)-5-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-4-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine
5-(Aminomethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Aminomethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-6-acetic acid