InChI=1/C27H28N4O2/c1-3-10-21(11-4-1)26(22-12-5-2-6-13-22)27-29-25(33-30-27)20-31(19-24-15-9-17-32-24)18-23-14-7-8-16-28-23/h1-8,10-14,16,24,26H,9,15,17-20H2/t24-/m0/s1 5F3D8E1E384DF196