Ethyl 5-(chloromethyl)-2-(difluoromethyl)pyridine-4-acetate
5-(Difluoromethyl)-4-methoxy-2-nitropyridine
4-(Difluoromethyl)-3-nitropyridine-5-acetonitrile
4-(Difluoromethyl)-2-nitropyridine-5-acetonitrile
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