5-Bromo-4-(difluoromethyl)-2-nitropyridine-3-sulfonamide
5-Bromo-4-(difluoromethyl)-3-nitropyridine-2-sulfonamide
4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-5-carboxaldehyde
5-Chloro-2-cyano-3-(difluoromethyl)-6-iodopyridine
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