InChI=1S/C48H76O21/c1-19(20(2)43(62)69-46-42(39(59)36(56)32(67-46)18-63-22(4)51)68-45-41(61)38(58)35(55)31(17-50)66-45)13-29(52)21(3)26-9-10-27-25-8-7-23-14-24(64-44-40(60)37(57)34(54)30(16-49)65-44)15-33(53)48(23,6)28(25)11-12-47(26,27)5/h7,21,24-42,44-46,49-50,52-61H,8-18H2,1-6H3/b20-19-