InChI=1S/C24H26N8O2/c1-14(2)30-10-19-8-18(30)11-31(19)17-5-3-16(4-6-17)29-23-24-27-13-28-32(24)20(9-26-23)15-7-21(22(25)33)34-12-15/h3-7,9,12-14,18-19H,8,10-11H2,1-2H3,(H2,25,33)(H,26,29)/t18-,19-/m0/s1