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