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