InChI=1S/C21H24N4O/c1-5-25-17-9-14-13-8-6-7-12-11(2)23-24-19(12)18(13)22-16(14)10-15(17)21(3,4)20(25)26/h9-10,22H,5-8H2,1-4H3,(H,23,24)