InChI=1S/C30H30O20/c31-10-3-1-9(2-4-10)25-26(19(37)17-12(33)5-11(32)6-13(17)46-25)49-29-23(41)20(38)18(36)14(47-29)8-45-15(34)7-16(35)48-30-24(42)21(39)22(40)27(50-30)28(43)44/h1-6,14,18,20-24,27,29-33,36,38-42H,7-8H2,(H,43,44)