InChI=1S/C51H82O21/c1-20-9-14-51(63-19-20)21(2)32-29(72-51)16-28-26-8-7-24-15-25(10-12-49(24,5)27(26)11-13-50(28,32)6)66-48-44(71-45-38(59)35(56)33(54)22(3)64-45)41(62)43(31(18-53)68-48)70-46-40(61)37(58)42(23(4)65-46)69-47-39(60)36(57)34(55)30(17-52)67-47/h7,20-23,25-48,52-62H,8-19H2,1-6H3