InChI=1/C27H26N4O2/c1-18(2)19-7-4-8-21(15-19)26(32)31-22-9-5-10-23(17-22)33-27-24(11-6-13-30-27)20-12-14-29-25(16-20)28-3/h4-18H,1-3H3,(H,28,29)(H,31,32)/f/h28,31H 012A9478A54C02B5