InChI=1S/C56H40O13S/c57-37-21-35(22-38(58)25-37)50-49-34(20-41(61)28-47(49)67-54(50)31-7-3-1-4-8-31)13-11-30-12-18-46-44(19-30)52(56(66-46)33-14-16-43(17-15-33)69-70(63,64)65)45-27-42(62)29-48-53(45)51(36-23-39(59)26-40(60)24-36)55(68-48)32-9-5-2-6-10-32/h1-29,50-51,54-55,57-62H,(H,63,64,65)/b13-11+