InChI=1S/C40H38O16/c41-16-18-9-25(23-7-5-21(43)14-28(23)45)32(26(10-18)33-30(47)11-17(12-31(33)48)1-2-19-3-4-20(42)13-27(19)44)34(49)24-8-6-22(15-29(24)46)55-40-37(52)35(50)36(51)38(56-40)39(53)54/h1-8,10-15,25-26,32,35-38,40-48,50-52H,9,16H2,(H,53,54)/b2-1+