InChI=1S/C20H25N9O/c1-20(2,3)18-26-16-13(11-12(15(22)30)14(21)25-16)17(27-18)28-7-9-29(10-8-28)19-23-5-4-6-24-19/h4-6,11H,7-10H2,1-3H3,(H2,22,30)(H2,21,25,26,27)