InChI=1S/C49H70O21/c1-10-49(8,19-27-17-22(4)11-14-28(27)21(2)3)70-48-44(69-47-41(60)38(57)43(25(7)65-47)68-46-39(58)35(54)33(52)23(5)63-46)36(55)34(53)31(66-48)20-62-45-40(59)37(56)42(24(6)64-45)67-32(51)16-13-26-12-15-29(50)30(18-26)61-9/h10,12-13,15-18,23-25,31,33-48,50,52-60H,1-2,11,14,19-20H2,3-9H3/b16-13-