InChI=1S/C26H26O13/c27-19-20(28)24(25(30)31)39-26(21(19)29)38-15-5-18-17(36-9-37-18)4-11(15)23-13-7-32-22(12(13)6-33-23)10-1-2-14-16(3-10)35-8-34-14/h1-5,12-13,19-24,26-29H,6-9H2,(H,30,31)