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