4-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
2-Hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-3-carbonyl chloride