Methyl 2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate
6-Hydroxy-3-methoxy-2-methyl-4-(trifluoromethoxy)pyridine
2-Hydroxy-6-iodo-4-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-Hydroxy-5-iodo-6-(trifluoromethoxy)pyridine-3-carbonyl chloride