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