InChI=1S/C26H26O15/c1-36-12-6-8(3-4-11(12)38-26-19(31)17(29)18(30)22(41-26)23(32)33)20-14-15(25(35)39-20)21(40-24(14)34)9-5-10(27)16(28)13(7-9)37-2/h3-7,14-15,17-22,26-31H,1-2H3,(H,32,33)