6-Bromo-2-(difluoromethyl)-3-nitropyridine-4-sulfonamide
4-(Aminomethyl)-3-bromo-6-(difluoromethyl)pyridine-2-acetic acid
6-Bromo-2-(difluoromethyl)-4-nitropyridine-3-sulfonamide
4-(Aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-2-acetic acid
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