InChI=1S/C30H34O18/c1-10(32)43-9-19-23(37)25(39)27(41)29(47-19)48-28-26(40)22(36)18(8-31)46-30(28)45-17-7-16-20(24(38)21(17)35)13(34)6-15(44-16)11-3-4-14(42-2)12(33)5-11/h3-7,18-19,22-23,25-31,33,35-41H,8-9H2,1-2H3