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