InChI=1S/C30H34O17/c1-10-21(34)25(38)27(40)29(43-10)47-28-26(39)23(36)19(9-42-11(2)31)46-30(28)45-18-8-17-20(24(37)22(18)35)14(33)7-16(44-17)12-4-5-15(41-3)13(32)6-12/h4-8,10,19,21,23,25-30,32,34-40H,9H2,1-3H3