InChI=1S/C40H34O16/c1-51-28-16-22(8-13-26(28)44)37-39(35(49)33-27(45)17-25(43)18-29(33)53-37)56-40-36(50)38(55-32(47)15-7-21-4-11-24(42)12-5-21)34(48)30(54-40)19-52-31(46)14-6-20-2-9-23(41)10-3-20/h2-18,30,34,36,38,40-45,48,50H,19H2,1H3/b14-6+,15-7+/t30-,34-,36-,38+,40+/m1/s1