Methyl 4-bromo-2-(difluoromethyl)-3-nitropyridine-5-acetate
2-Bromo-3-(difluoromethyl)-5-iodo-6-(trifluoromethyl)pyridine
Methyl 3-bromo-5-(difluoromethyl)-6-nitropyridine-2-acetate
3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-4-iodopyridine
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