Ethyl 2-cyano-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
3-(Bromomethyl)-5-cyano-6-methyl-2-(trifluoromethoxy)pyridine
Ethyl 2-cyano-4-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-(chloromethyl)-3-cyano-5-(trifluoromethoxy)pyridine-2-carboxylate