InChI=1/C26H26N2O4/c29-25(27-22-10-12-24(13-11-22)32-23-4-2-1-3-5-23)20-14-16-28(17-15-20)18-19-6-8-21(9-7-19)26(30)31/h1-13,20H,14-18H2,(H,27,29)(H,30,31)/f/h27-28H 9045EA048A4C8ABA