InChI=1/C27H27N5O/c1-2-6-20(7-3-1)21-10-12-22(13-11-21)26-23(18-28-30-26)19-31-14-16-32(17-15-31)27-29-24-8-4-5-9-25(24)33-27/h1-13,18,23,27,29H,14-17,19H2/t23-,27-/m0/s1 6DB430E261F623F4