3-(Difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
5-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-methanol
5-(Aminomethyl)-4-iodo-2-(trifluoromethoxy)pyridine-3-methanol
4-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-methanol