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