InChI=1S/C24H30N2O7/c1-25-11-4-12-26-17-6-3-2-5-14(17)7-8-15-13-16(9-10-18(15)26)32-24-21(29)19(27)20(28)22(33-24)23(30)31/h2-3,5-6,9-10,13,19-22,24-25,27-29H,4,7-8,11-12H2,1H3,(H,30,31)/t19-,20-,21+,22-,24+/m0/s1