3-Hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-4-methanol
2-(Difluoromethyl)-3-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-methanol
2-(Difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-5-methanol