Methyl 4-amino-5-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
4-Amino-3-(aminomethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine
Methyl 4-amino-3-(bromomethyl)-2-(difluoromethyl)pyridine-5-carboxylate
3-Amino-6-(aminomethyl)-2-(difluoromethyl)pyridine-4-methanol