InChI=1S/C28H30O17/c1-41-13-4-8(2-3-11(13)44-28-24(38)21(35)23(37)26(45-28)27(39)40)12-5-9(30)16-14(42-12)6-10(31)17(19(16)33)25-22(36)20(34)18(32)15(7-29)43-25/h2-6,15,18,20-26,28-29,31-38H,7H2,1H3,(H,39,40)