InChI=1/C26H26N4O2/c1-17-13-23-24(14-18(17)2)30(16-27-23)15-25(31)29-22-12-8-7-11-21(22)26(32)28-19(3)20-9-5-4-6-10-20/h4-14,16,19H,15H2,1-3H3,(H,28,32)(H,29,31)/t19-/m0/s1/f/h28-29H 44A1CF72C66D2E0E