2-(Difluoromethyl)-3,6-diiodopyridine-4-sulfonyl chloride
2,5-Difluoro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
3-(Difluoromethyl)-2,4-diiodopyridine-6-sulfonyl chloride
2-(Difluoromethyl)-3,4-dimethoxypyridine-5-sulfonyl chloride
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