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