3-(1-methyl-2-phenylvinyl)-4H-chromen-4-one 4H-1-benzopyran-4-one, 3-(1-methyl-2-phenylethenyl)- InChI=1/C18H14O2/c1-13(11-14-7-3-2-4-8-14)16-12-20-17-10-6-5-9-15(17)18(16)19/h2-12H,1H3/b13-11