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