3-(Aminomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
4-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Hydroxy-5-iodo-2-methoxy-4-(trifluoromethoxy)pyridine
5-Hydroxy-4-iodo-3-methoxy-2-(trifluoromethoxy)pyridine