5-(Chloromethyl)-4-(difluoromethyl)pyridine-2-sulfonamide
6-Bromo-3-(difluoromethyl)pyridine-2-acetonitrile
2-Bromo-4-(difluoromethyl)pyridine-6-acetonitrile
2-Bromo-3-(difluoromethyl)pyridine-6-acetonitrile
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