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