InChI=1/C26H28N2O2/c29-25-23(17-16-20-10-4-1-5-11-20)27-26(30)28(19-22-14-8-3-9-15-22)24(25)18-21-12-6-2-7-13-21/h1-15,23-25,29H,16-19H2,(H,27,30)/t23-,24-,25-/m1/s1/f/h27H 65B394D5B3E451C4