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