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