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