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