InChI=1/C21H18N2O2/c24-21(23-13-12-16-6-4-5-7-18(16)15-23)17-10-11-20(22-14-17)25-19-8-2-1-3-9-19/h1-11,14H,12-13,15H2 4E229C1B1C727E71