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