2-Amino-6-(aminomethyl)-5-cyano-3-(difluoromethyl)pyridine
2-Amino-5-(aminomethyl)-3-cyano-6-(difluoromethyl)pyridine
5-Amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-4-carboxaldehyde
4-Amino-3-(aminomethyl)-2-(difluoromethyl)pyridine-5-carboxaldehyde