InChI=1/C26H30N4O4/c1-18-15-20(22-5-3-4-6-23(22)27-18)17-34-21-9-7-19(8-10-21)25(32)28-26(16-24(31)29-33)11-13-30(2)14-12-26/h3-10,15,33H,11-14,16-17H2,1-2H3,(H,28,32)(H,29,31)/p+1/fC26H31N4O4/h28-30H/q+1 A8C3947B5B28D189