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