6-Chloro-3-(difluoromethyl)-2-nitropyridine-4-acetic acid
3-Cyano-5-(difluoromethyl)-2-fluoro-6-nitropyridine
2-(Bromomethyl)-4-cyano-3-(difluoromethyl)-6-fluoropyridine
4-(Aminomethyl)-2-cyano-6-(difluoromethyl)-3-fluoropyridine
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