InChI=1S/C30H34O19/c31-10-18-20(36)21(37)24(40)29(47-18)46-16-8-11(1-5-14(16)33)3-6-19(35)45-17(9-12-2-4-13(32)15(34)7-12)28(44)49-30-25(41)22(38)23(39)26(48-30)27(42)43/h1-8,17-18,20-26,29-34,36-41H,9-10H2,(H,42,43)/b6-3-