4-(Difluoromethyl)-5-hydroxy-3-iodopyridine-2-sulfonamide
3-(Difluoromethyl)-5-hydroxy-2-methoxypyridine-6-carboxylic acid
Methyl 2-(difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine-6-acetate
2-(Difluoromethyl)-5-hydroxy-3-methoxypyridine-6-carboxylic acid