6-(Chloromethyl)-2,3-dibromo-5-(difluoromethyl)pyridine
3-(Difluoromethyl)-2,6-diiodopyridine-5-sulfonamide
5-(Chloromethyl)-2,3-dibromo-4-(difluoromethyl)pyridine
2-(Difluoromethyl)-3,6-diiodopyridine-4-sulfonamide
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