InChI=1/C21H16N2O2/c22-21(23)14-9-10-18-15(11-14)12-19(25-18)17-8-4-7-16(20(17)24)13-5-2-1-3-6-13/h1-12,24H,(H3,22,23)/p+1/fC21H17N2O2/h22-23H2/q+1 55B8261C4FA29C11