3-(Difluoromethyl)-6-methyl-2-nitropyridine-4-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-6-methyl-3-nitropyridine
4-(Bromomethyl)-2-(difluoromethyl)-5-methyl-3-nitropyridine
4-(Bromomethyl)-2-(difluoromethyl)-3-methyl-5-nitropyridine
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