InChI=1S/C19H22N6O2/c20-16(26)13-6-8-14(9-7-13)23-19-24-17-15(21-11-22-17)18(25-19)27-10-12-4-2-1-3-5-12/h6-9,11-12H,1-5,10H2,(H2,20,26)(H2,21,22,23,24,25)