InChI=1S/C38H52O20/c1-17(9-5-6-10-18(2)12-8-14-20(4)35(52)58-38-31(48)27(44)28(45)32(56-38)33(49)50)11-7-13-19(3)34(51)57-37-30(47)26(43)24(41)22(55-37)16-53-36-29(46)25(42)23(40)21(15-39)54-36/h5-14,21-32,36-48H,15-16H2,1-4H3,(H,49,50)/b6-5+,11-7+,12-8+,17-9+,18-10+,19-13+,20-14+