4-Chloro-5-(difluoromethyl)-3-fluoro-2-nitropyridine
4-Chloro-3-(difluoromethyl)-2-fluoro-6-nitropyridine
3-Chloro-6-(difluoromethyl)-2-fluoropyridine-5-acetic acid
4-Chloro-6-(difluoromethyl)-2-fluoro-3-nitropyridine
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