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