5-(Bromomethyl)-4-hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine
5-(Aminomethyl)-2-hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-3-hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine