InChI=1/C29H28N2O2/c1-21-18-19-26(33-2)25(20-21)30-29(32)28(24-16-10-5-11-17-24)31-27(22-12-6-3-7-13-22)23-14-8-4-9-15-23/h3-20,27-28,31H,1-2H3,(H,30,32)/t28-/m1/s1/f/h30H 861DA86546F518B4