InChI=1/C23H18O2/c24-19-7-3-6-15(10-19)21-11-16-8-9-20(25)12-22(16)23(21)13-17-4-1-2-5-18(17)14-23/h1-12,24-25H,13-14H2 EDAAB306DE983BDD