InChI=1/C23H18O3/c24-17-8-9-18-15(13-17)14-23(16-5-2-1-3-6-16)11-10-19(25)21(22(18)23)20-7-4-12-26-20/h1-9,12-13,24H,10-11,14H2/t23-/m1/s1 6694C29FF348A4AD