InChI=1S/C25H32N2O5/c1-2-3-6-13-26-24(30)19-15-31-25(27-19)23-18(20-10-11-21(23)32-20)14-17-8-5-4-7-16(17)9-12-22(28)29/h4-5,7-8,15,18,20-21,23H,2-3,6,9-14H2,1H3,(H,26,30)(H,28,29)/t18-,20-,21+,23-/m0/s1