5-(Difluoromethyl)-4-fluoro-2-iodopyridine-3-sulfonyl chloride
6-(Difluoromethyl)-4-fluoro-2-methylpyridine-3-sulfonyl chloride
5-(Difluoromethyl)-4-fluoro-3-iodopyridine-2-sulfonyl chloride
6-(Difluoromethyl)-4-fluoro-3-methylpyridine-2-sulfonyl chloride