3-Amino-6-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxylic acid
Methyl 2-amino-6-(chloromethyl)-3-(difluoromethyl)pyridine-5-carboxylate
Methyl 6-amino-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-carboxylate
4-Amino-5-(chloromethyl)-3-(difluoromethyl)pyridine-2-carboxylic acid