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