Ethyl 4-(difluoromethyl)-5-nitropyridine-2-acetate
Methyl 2,6-diamino-4-(difluoromethyl)pyridine-3-acetate
6-Cyano-3-(difluoromethyl)-2-(fluoromethyl)pyridine
Methyl 3,6-diamino-2-(difluoromethyl)pyridine-5-acetate
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