Methyl 2-bromo-3-(difluoromethyl)-6-nitropyridine-4-acetate
5-(Aminomethyl)-3-bromo-4-(difluoromethyl)-2-nitropyridine
Methyl 2-bromo-3-(difluoromethyl)-5-nitropyridine-4-acetate
3-(Aminomethyl)-5-bromo-2-(difluoromethyl)-6-nitropyridine
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