2,6-Dibromo-4-(difluoromethyl)pyridine-3-sulfonamide
3,6-Dibromo-2-(difluoromethyl)pyridine-5-sulfonamide
2,5-Dibromo-4-(difluoromethyl)pyridine-3-sulfonamide
4-Cyano-3,5-dichloro-2-(difluoromethyl)pyridine
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