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