InChI=1S/C25H24O9/c26-17-16-13(11-5-2-1-3-6-11)10-9-12-7-4-8-14(15(12)16)22(19(17)28)33-25-21(30)18(27)20(29)23(34-25)24(31)32/h1-10,17-23,25-30H,(H,31,32)