InChI=1S/C26H26N2O2/c1-18(11-12-19-13-15-21(29)16-14-19)27-25(30)17-23-22-9-5-6-10-24(22)28-26(23)20-7-3-2-4-8-20/h2-10,13-16,18,28-29H,11-12,17H2,1H3,(H,27,30)/t18-/m1/s1