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