InChI=1/C21H18N2O2/c24-18-13-7-12-17-20(18)22-21(16-10-5-2-6-11-16)23(17)14-19(25)15-8-3-1-4-9-15/h1-6,8-11H,7,12-14H2 A827BDEED2CF317E