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