2-[(Z)-(6-methoxy-3-oxo-1-benzofuran-2(3H)-ylidene)methyl]phenyl acetate 3(2H)-benzofuranone, 2-[[2-(acetyloxy)phenyl]methylene]-6-methoxy-, (2Z)- InChI=1/C18H14O5/c1-11(19)22-15-6-4-3-5-12(15)9-17-18(20)14-8-7-13(21-2)10-16(14)23-17/h3-10H,1-2H3/b17-9