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