InChI=1/C21H18N2O2/c1-3-18-17(13-22)19(20(21(24)25)23(18)2)16-11-9-15(10-12-16)14-7-5-4-6-8-14/h4-12H,3H2,1-2H3,(H,24,25)/p-1/fC21H17N2O2/q-1 E3D12941F2094185