4-Amino-5-bromo-2-(difluoromethyl)pyridine-3-sulfonamide
Methyl 4-amino-3-chloro-6-(difluoromethyl)pyridine-2-acetate
4-Amino-6-bromo-2-(difluoromethyl)pyridine-3-sulfonamide
6-Amino-4-chloro-2-(difluoromethyl)-3-fluoropyridine
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