InChI=1/C26H26N2O4/c29-25(21-8-4-5-9-22(21)28-20-6-2-1-3-7-20)27-17-26(12-14-30-15-13-26)19-10-11-23-24(16-19)32-18-31-23/h1-11,16,28H,12-15,17-18H2,(H,27,29)/f/h27H 6703630F6C558C71