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