3-(Difluoromethyl)-2-hydroxy-5-iodopyridine-6-carbonyl chloride
4-(Difluoromethyl)-3-hydroxy-2-methylpyridine-6-carboxylic acid
6-(Difluoromethyl)-4-hydroxy-3-iodopyridine-2-carbonyl chloride
Ethyl 5-(difluoromethyl)-2-hydroxy-3-iodopyridine-4-acetate