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