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