InChI=1S/C28H30O17/c1-41-24-14(25-20(36)17(33)15(31)12(7-29)44-25)23-13(16(32)19(24)35)10(30)6-11(43-23)8-2-4-9(5-3-8)42-28-22(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)