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