InChI=1S/C21H20N6O2/c22-10-12-24-20(29)16-3-1-15(2-4-16)19-9-11-25-21(27-19)26-18-7-5-17(6-8-18)23-13-14-28/h1-9,11,23,28H,12-14H2,(H,24,29)(H,25,26,27)