5-Bromo-3-cyano-4-(difluoromethyl)pyridine-2-acetic acid
2-Bromo-3-chloro-4-(difluoromethyl)pyridine-6-acetonitrile
3-Bromo-2-cyano-5-(difluoromethyl)pyridine-6-acetic acid
6-Bromo-4-cyano-3-(difluoromethyl)-2-nitropyridine
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