3-(Difluoromethyl)-4-iodo-6-methylpyridine-2-carbonyl chloride
2-(Difluoromethyl)-6-iodo-5-methylpyridine-3-carbonyl chloride
4-(Difluoromethyl)-5-iodo-3-methylpyridine-2-sulfonyl chloride
3-(Difluoromethyl)-5-iodo-2-methylpyridine-4-sulfonyl chloride