Ethyl 2-cyano-6-(difluoromethyl)-5-methoxypyridine-3-carboxylate
2-(Bromomethyl)-4-cyano-5-(difluoromethyl)-3-(trifluoromethyl)pyridine
Ethyl 5-(aminomethyl)-3-cyano-2-(difluoromethyl)pyridine-4-acetate
3-(Bromomethyl)-5-cyano-4-(difluoromethyl)pyridine-2-acetonitrile