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