Methyl 2-bromo-3-(difluoromethyl)-4-fluoropyridine-6-carboxylate
3-Bromo-6-cyano-2-(difluoromethyl)-4-nitropyridine
3-Bromo-6-cyano-4-(difluoromethyl)-2-nitropyridine
5-Bromo-2-cyano-3-(difluoromethyl)-6-nitropyridine
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