InChI=1/C10H9NO3/c1-2-13-10(12)9-5-7-6-11-4-3-8(7)14-9/h3-6H,2H2,1H ethyl furo[3,2-c]pyridine-2-carboxylate furo[3,2-c]pyridine-2-carboxylic acid, ethyl ester