2-Bromo-3-(bromomethyl)-5-(difluoromethyl)-4-nitropyridine
5-(Aminomethyl)-3-bromo-2-(difluoromethyl)-4-nitropyridine
3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-4-nitropyridine
4-Bromo-6-(chloromethyl)-2-(difluoromethyl)-3-nitropyridine
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