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