5-Amino-4-(difluoromethyl)-2-fluoropyridine-3-acetic acid
3-Amino-2-(difluoromethyl)-6-fluoropyridine-5-acetic acid
3-Amino-5-bromo-6-(difluoromethyl)pyridine-2-sulfonamide
3-Amino-2-chloro-6-(difluoromethyl)-5-fluoropyridine
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