InChI=1S/C48H56O29/c49-12-24-30(58)34(62)38(66)46(70-24)75-41-27(15-52)73-45(39(67)37(41)65)68-19-10-22(56)29-23(11-19)69-40(17-3-5-18(53)6-4-17)42(33(29)61)76-48-44(36(64)32(60)26(14-51)72-48)77-47-43(35(63)31(59)25(13-50)71-47)74-28(57)8-2-16-1-7-20(54)21(55)9-16/h1-11,24-27,30-32,34-39,41,43-56,58-60,62-67H,12-15H2/b8-2+