5-Amino-3-(difluoromethyl)-2-fluoropyridine-4-sulfonamide
Ethyl 4-amino-2-chloro-3-(difluoromethyl)pyridine-5-carboxylate
4-Amino-5-chloro-2-(difluoromethyl)pyridine-3-acetonitrile
Ethyl 5-amino-3-chloro-4-(difluoromethyl)pyridine-2-carboxylate
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