2-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridine-4-methanol
4-Amino-3-(bromomethyl)-2-(difluoromethyl)pyridine-5-carboxylic acid
3-Amino-6-bromo-2-(difluoromethyl)-4-fluoropyridine
5-Amino-3-cyano-2-(difluoromethyl)pyridine-4-acetic acid
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