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