InChI=1S/C26H26O12/c1-25(2)22-19(36-22)10-6-11-13(7-14(10)38-25)33-8-26(32)12-4-3-9(5-15(12)35-21(11)26)34-24-18(29)16(27)17(28)20(37-24)23(30)31/h3-7,16-22,24,27-29,32H,8H2,1-2H3,(H,30,31)