InChI=1S/C28H28O16/c1-8-18(31)20(33)22(35)25(41-8)17-11(30)7-15-16(19(17)32)10(29)6-13(42-15)9-3-4-12(14(5-9)40-2)43-28-24(37)21(34)23(36)26(44-28)27(38)39/h3-8,20-26,28,30,32-37H,1-2H3,(H,38,39)