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