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