InChI=1S/C25H22O8/c26-19-16(32-25-22(29)20(27)21(28)23(33-25)24(30)31)11-14-8-4-7-13-9-10-15(18(19)17(13)14)12-5-2-1-3-6-12/h1-10,16,20-23,25,27-29H,11H2,(H,30,31)