InChI=1/C28H34N4O2/c1-19(2)31-27(29)23-9-13-25(14-10-23)33-17-21-5-7-22(8-6-21)18-34-26-15-11-24(12-16-26)28(30)32-20(3)4/h5-16,19-20H,17-18H2,1-4H3,(H2,29,31)(H2,30,32)/p+2/fC28H36N4O2/h31-32H,29-30H2/q+2 F8D1721A9588C6F0