Ethyl 4-amino-5-chloro-3-(difluoromethyl)pyridine-2-acetate
6-Amino-3-(difluoromethyl)-4-iodo-2-nitropyridine
5-Amino-3-(difluoromethyl)-4-iodopyridine-2-acetonitrile
3-Amino-5-(difluoromethyl)-2-iodopyridine-4-acetonitrile
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