InChI=1S/C36H32O16/c37-12-25-29(45)31(47)32(48)36(51-25)50-24-10-17-19(41)11-22(44)27(35(17)52-33(24)13-1-4-15(38)5-2-13)28-26-21(43)8-16(39)9-23(26)49-34(30(28)46)14-3-6-18(40)20(42)7-14/h1-11,25,28-32,34,36-37,45-48H,12H2,(H6-,38,39,40,41,42,43,44)/p+1/t25-,28+,29-,30-,31+,32-,34-,36-/m1/s1