InChI=1S/C43H48O21/c1-55-26-15-21(5-10-24(26)45)7-12-32(47)62-40-38(53)36(51)30(19-44)60-42(40)59-20-31-37(52)39(54)41(63-33(48)13-8-22-6-11-25(46)27(16-22)56-2)43(61-31)64-34(49)14-9-23-17-28(57-3)35(50)29(18-23)58-4/h5-18,30-31,36-46,50-54H,19-20H2,1-4H3/b12-7+,13-8+,14-9+