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