InChI=1S/C34H32O18/c1-48-32(46)24(13-16-2-6-18(35)20(37)11-16)49-23-8-4-15(10-22(23)39)5-9-26(40)50-25(14-17-3-7-19(36)21(38)12-17)33(47)52-34-29(43)27(41)28(42)30(51-34)31(44)45/h2-13,25,27-30,34-39,41-43H,14H2,1H3,(H,44,45)/b9-5+,24-13-