4-(Difluoromethyl)-3-hydroxy-2-iodopyridine-5-methanol
3-(Difluoromethyl)-4-hydroxy-2-iodopyridine-5-methanol
3-(Difluoromethyl)-5-fluoro-6-(trifluoromethyl)pyridine-2-carboxylic acid
3-(Difluoromethyl)-2-fluoro-4-(trifluoromethyl)pyridine-6-carboxylic acid