InChI=1S/C22H18N6O/c1-15-6-7-18(26-21(29)17-5-3-10-24-14-17)12-20(15)28-22-25-11-8-19(27-22)16-4-2-9-23-13-16/h2-14H,1H3,(H,26,29)(H,25,27,28)