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