Ethyl 6-cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
5-(Bromomethyl)-3-cyano-2-nitro-4-(trifluoromethoxy)pyridine
Ethyl 6-cyano-3-methyl-2-(trifluoromethoxy)pyridine-4-acetate
3-(Bromomethyl)-5-cyano-4-nitro-2-(trifluoromethoxy)pyridine