InChI=1S/C27H30N6O/c1-17(28)32-11-9-23(10-12-32)34-24-7-8-25-26(15-24)33(18(2)31-25)16-19-3-4-20-5-6-21(27(29)30)14-22(20)13-19/h3-8,13-15,23,28H,9-12,16H2,1-2H3,(H3,29,30)/p+1/b28-17-