InChI=1S/C40H38O16/c1-17-10-24(32(33(48)23-8-6-20(41)13-26(23)44)40(54,16-17)25-9-7-21(42)14-27(25)45)31-28(46)11-18(12-29(31)47)2-3-19-4-5-22(43)15-30(19)55-39-36(51)34(49)35(50)37(56-39)38(52)53/h2-15,24,32,34-37,39,41-47,49-51,54H,16H2,1H3,(H,52,53)/b3-2+