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