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