4-Amino-2-(aminomethyl)-3-(difluoromethyl)-6-fluoropyridine
Methyl 2-amino-6-bromo-3-(difluoromethyl)pyridine-5-carboxylate
Methyl 5-amino-2-bromo-4-(difluoromethyl)pyridine-3-carboxylate
Methyl 6-amino-3-bromo-2-(difluoromethyl)pyridine-4-carboxylate