InChI=1S/C41H44O21/c42-15-27-29(46)31(48)35(39(60-27)58-22-9-4-19(5-10-22)25-14-24(44)23-11-6-20(43)13-26(23)59-25)62-40-36(51)41(54,17-56-40)16-55-28(45)12-3-18-1-7-21(8-2-18)57-38-33(50)30(47)32(49)34(61-38)37(52)53/h1-13,25,27,29-36,38-40,42-43,46-51,54H,14-17H2,(H,52,53)/b12-3+