InChI=1S/C40H38O16/c1-17-10-24(31-29(46)11-18(12-30(31)47)2-3-19-4-5-20(41)13-26(19)43)32(40(54,16-17)25-9-6-21(42)14-28(25)45)33(48)23-8-7-22(15-27(23)44)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+