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