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