(2Z)-2-(4-methoxybenzylidene)-1-benzofuran-3(2H)-one 3(2H)-benzofuranone, 2-[(4-methoxyphenyl)methylene]-, (2Z)- InChI=1/C16H12O3/c1-18-12-8-6-11(7-9-12)10-15-16(17)13-4-2-3-5-14(13)19-15/h2-10H,1H3/b15-10