2-Bromo-3-(difluoromethyl)-5-nitro-6-(trifluoromethyl)pyridine
3-Bromo-6-(difluoromethyl)-2-methyl-4-(trifluoromethyl)pyridine
4-Bromo-5-(difluoromethyl)-2-iodopyridine-3-carboxaldehyde
5-Bromo-4-(difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridine
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