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