InChI=1S/C35H34O15/c1-14-10-20(18-6-4-16(36)12-25(18)40)26(33(45)46)21(11-14)27-23(38)9-7-19(28(27)41)22(37)8-3-15-2-5-17(13-24(15)39)49-35-31(44)29(42)30(43)32(50-35)34(47)48/h2-9,11-13,20-21,26,29-32,35-36,38-44H,10H2,1H3,(H,45,46)(H,47,48)/b8-3+