InChI=1S/C24H31NO9/c26-16-14-15(8-4-1-2-5-9-18(27)25-12-6-3-7-13-25)10-11-17(16)33-24-21(30)19(28)20(29)22(34-24)23(31)32/h1-2,4,8,10-11,14,19-22,24,26,28-30H,3,5-7,9,12-13H2,(H,31,32)/b2-1+,8-4+