InChI=1S/C56H40O13S/c57-37-16-10-31(11-17-37)54-50(35-4-2-6-43(26-35)69-70(63,64)65)49-36(25-41(61)28-47(49)67-54)9-7-30-8-22-46-44(23-30)52(56(66-46)33-14-20-39(59)21-15-33)45-27-42(62)29-48-53(45)51(34-3-1-5-40(60)24-34)55(68-48)32-12-18-38(58)19-13-32/h1-29,50-51,54-55,57-62H,(H,63,64,65)/b9-7+