2-Amino-4-(bromomethyl)-5-(difluoromethyl)pyridine-3-carboxaldehyde
2-Amino-4-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
2-Amino-3-(bromomethyl)-6-(difluoromethyl)pyridine-5-carboxaldehyde
Ethyl 3-amino-5-(aminomethyl)-2-(difluoromethyl)pyridine-6-acetate