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