InChI=1S/C22H22N4O2/c1-15-5-3-7-17(9-15)12-23-21(27)19-11-20(26-14-25-19)22(28)24-13-18-8-4-6-16(2)10-18/h3-11,14H,12-13H2,1-2H3,(H,23,27)(H,24,28)