3-Chloro-4-(difluoromethyl)-2-fluoro-6-nitropyridine
6-Chloro-3-(difluoromethyl)-2-fluoro-4-nitropyridine
2-(Aminomethyl)-6-bromo-4-(difluoromethyl)pyridine-3-acetic acid
2-(Aminomethyl)-3-bromo-6-(difluoromethyl)pyridine-5-acetic acid
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