4-(Difluoromethyl)-3-nitropyridine-5-acetonitrile
4-(Difluoromethyl)-2-nitropyridine-5-acetonitrile
Methyl 3-bromo-4-(difluoromethyl)pyridine-2-carboxylate
Ethyl 4-amino-3-(difluoromethyl)pyridine-2-acetate
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