(2Z)-2-benzylidene-4,6-dimethyl-1-benzofuran-3(2H)-one 3(2H)-benzofuranone, 4,6-dimethyl-2-(phenylmethylene)-, (2Z)- InChI=1/C17H14O2/c1-11-8-12(2)16-14(9-11)19-15(17(16)18)10-13-6-4-3-5-7-13/h3-10H,1-2H3/b15-10