InChI=1S/C56H40O14S/c57-36-13-9-31(10-14-36)56-52(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)44-18-29(7-17-46(44)67-56)6-8-33-19-41(62)27-47-49(33)50(34-20-37(58)24-38(59)21-34)55(68-47)32-11-15-43(16-12-32)70-71(64,65)66/h1-28,50-51,54-55,57-63H,(H,64,65,66)/b8-6+