3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-5-carbonyl chloride
3-(Aminomethyl)-6-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-hydroxy-2-methoxy-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetic acid