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