InChI=1/C22H18O2/c23-18-8-6-16(7-9-18)21-14-17-13-19(24)10-11-20(17)22(21)12-15-4-2-1-3-5-15/h1-11,13,23-24H,12,14H2 90A23C6162FE3A13