InChI=1S/C28H30O16/c1-40-10-4-2-3-9(5-10)12-6-11(30)16-13(41-12)7-14(43-28-24(37)21(34)23(36)26(44-28)27(38)39)17(19(16)32)25-22(35)20(33)18(31)15(8-29)42-25/h2-7,15,18,20-26,28-29,31-37H,8H2,1H3,(H,38,39)