Ethyl 4-amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-6-carboxylate
Ethyl 2-amino-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
4-(Chloromethyl)-3-cyano-5-(difluoromethyl)pyridine
3-Bromo-6-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile