InChI=1S/C56H40O12S/c57-38-19-15-33(16-20-38)55-51(36-9-5-11-43(27-36)68-69(62,63)64)53-45(28-42(61)30-48(53)67-55)52-44-24-31(13-23-46(44)65-56(52)34-17-21-39(58)22-18-34)12-14-37-26-41(60)29-47-49(37)50(35-8-4-10-40(59)25-35)54(66-47)32-6-2-1-3-7-32/h1-30,50-51,54-55,57-61H,(H,62,63,64)/b14-12+