InChI=1/C16H12N2O2/c19-11-4-5-13-10(6-11)7-14(18-13)12-3-1-2-9-8-17-16(20)15(9)12/h1-7,18-19H,8H2,(H,17,20)/f/h17H 329D881C32D03BD2