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