InChI=1/C23H18N2O2/c26-10-9-25-18-8-4-3-7-15(18)20-17-12-24-23(27)21(17)19-14-6-2-1-5-13(14)11-16(19)22(20)25/h1-8,26H,9-12H2,(H,24,27)/f/h24H 1F0CEB33A1123D1F