1-(1,3-benzodioxol-5-yl)-3-phenylprop-2-en-1-one 2-propen-1-one, 1-(1,3-benzodioxol-5-yl)-3-phenyl- InChI=1/C16H12O3/c17-14(8-6-12-4-2-1-3-5-12)13-7-9-15-16(10-13)19-11-18-15/h1-10H,11H2/b8-6