4-Amino-3-(chloromethyl)-6-(difluoromethyl)pyridine-2-carboxaldehyde
Ethyl 2-amino-3-(aminomethyl)-5-(difluoromethyl)pyridine-6-carboxylate
Ethyl 2-amino-3-(aminomethyl)-4-(difluoromethyl)pyridine-5-carboxylate
4-Amino-3-(chloromethyl)-2-(difluoromethyl)pyridine-6-carboxaldehyde