InChI=1S/C24H30N2O7/c1-32-21-14-16(5-8-18(21)27)7-10-23(30)25-11-3-4-12-26-24(31)20(29)13-17-6-9-19(28)22(15-17)33-2/h5-6,8-9,13-15,27-29H,3-4,7,10-12H2,1-2H3,(H,25,30)(H,26,31)/b20-13-