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