2-(Chloromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetic acid
2-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetic acid
4-(Difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Aminomethyl)-6-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine