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