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