3-Chloro-2-(difluoromethyl)-5-nitropyridine-4-sulfonamide
2-Chloro-6-(difluoromethyl)-4-nitropyridine-3-sulfonamide
4-(Aminomethyl)-5-chloro-2-(difluoromethyl)pyridine-3-acetonitrile
4-(Aminomethyl)-6-chloro-2-(difluoromethyl)pyridine-3-acetonitrile
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