InChI=1S/C24H30N2O7/c1-32-21-13-16(5-8-18(21)27)6-10-23(30)25-11-3-4-12-26-24(31)15-20(29)17-7-9-19(28)22(14-17)33-2/h5-10,13-14,20,27-29H,3-4,11-12,15H2,1-2H3,(H,25,30)(H,26,31)/b10-6+