InChI=1/C13H13NO3/c1-16-13(15)9-12-6-5-11(17-12)8-10-4-2-3-7-14-10/h2-4,7-9H,5-6H2,1H3/b11-8-,12-9 acetic acid, [(5Z)-dihydro-5-(2-pyridinylmethylene)-2(3H)-furanylidene]-, methyl ester, (2E)- methyl (2E)-[(5Z)-5-(pyridin-2-ylmethylene)dihydrofuran-2(3H)-ylidene]acetate