InChI=1S/C56H40O14S/c57-36-13-9-31(10-14-36)55-50(34-20-37(58)24-38(59)21-34)49-33(19-41(62)27-47(49)68-55)8-6-29-7-17-46-44(18-29)52(56(67-46)32-11-15-43(16-12-32)70-71(64,65)66)45-26-42(63)28-48-53(45)51(35-22-39(60)25-40(61)23-35)54(69-48)30-4-2-1-3-5-30/h1-28,50-51,54-55,57-63H,(H,64,65,66)/b8-6+