InChI=1S/C62H48O16/c63-37-16-14-33(15-17-37)58-50(35-20-38(64)25-39(65)21-35)49-34(24-43(29-48(49)77-58)74-62-56(71)54(69)55(70)60(78-62)61(72)73)13-11-30-12-18-46-44(19-30)52(59(75-46)32-9-5-2-6-10-32)45-27-42(68)28-47-53(45)51(36-22-40(66)26-41(67)23-36)57(76-47)31-7-3-1-4-8-31/h1-29,50-51,54-58,60,62-71H,(H,72,73)/b13-11+