InChI=1S/C39H40O14/c1-19(11-7-13-21(3)39(49)50)9-5-6-10-20(2)12-8-14-22(4)51-30(43)18-29-34(45)36(47)37(48)38(53-29)31-26(42)17-28-32(35(31)46)33(44)23-15-24(40)25(41)16-27(23)52-28/h5-17,29,34,36-38,40-42,45-48H,18H2,1-4H3,(H,49,50)/b6-5+,11-7+,12-8-,19-9+,20-10+,21-13-,22-14+