Methyl 4-(difluoromethyl)-2-nitropyridine-6-acetate
5-(Chloromethyl)-3-cyano-2-(difluoromethyl)pyridine
5-(Chloromethyl)-4-cyano-2-(difluoromethyl)pyridine
3-(Chloromethyl)-2-cyano-6-(difluoromethyl)pyridine
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