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