InChI=1S/C26H28NO9/c1-12(28)27(2)9-8-14-11-17(35-26-22(31)20(29)21(30)24(36-26)25(32)33)23(34-3)19-15-7-5-4-6-13(15)10-16(27)18(14)19/h4-7,10-11,20-22,24,26,29-31H,8-9H2,1-3H3,(H,32,33)