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