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