InChI=1S/C40H38O16/c1-16-10-24(32(34(49)23-9-7-20(42)14-26(23)45)31(33(16)48)22-8-6-19(41)13-25(22)44)30-27(46)11-17(12-28(30)47)2-3-18-4-5-21(43)15-29(18)55-40-37(52)35(50)36(51)38(56-40)39(53)54/h2-15,24,31-33,35-38,40-48,50-52H,1H3,(H,53,54)/b3-2+