Ethyl 4-(aminomethyl)-2-chloro-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Chloro-5-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-4-cyano-6-(trifluoromethoxy)pyridine-2-acetonitrile