4-Amino-3-(difluoromethyl)-2-fluoro-5-iodopyridine
4-Amino-6-(difluoromethyl)-3-fluoro-2-iodopyridine
3-Amino-5-cyano-2-(difluoromethyl)pyridine-6-sulfonamide
5-Amino-3-bromo-2-(difluoromethyl)pyridine-4-methanol
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