6-Amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-4-methanol
4-Amino-6-(chloromethyl)-2-(difluoromethyl)pyridine-3-carboxylic acid
2-Amino-6-(chloromethyl)-3-(difluoromethyl)pyridine-4-carboxylic acid
4-Amino-2-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylic acid