InChI=1S/C48H34O31/c49-17-1-11(2-18(50)29(17)57)43(68)77-40-39-26(75-48(79-45(70)13-5-21(53)31(59)22(54)6-13)41(40)78-44(69)12-3-19(51)30(58)20(52)4-12)10-73-46(71)15-9-25(74-38-16(42(66)67)8-24(56)33(61)37(38)65)34(62)36(64)28(15)27-14(47(72)76-39)7-23(55)32(60)35(27)63/h1-9,26,39-41,48-65H,10H2,(H,66,67)