InChI=1S/C62H48O16/c63-37-16-10-31(11-17-37)57-50(35-4-2-6-43(26-35)74-62-56(71)54(69)55(70)60(78-62)61(72)73)49-36(25-41(67)28-47(49)76-57)9-7-30-8-22-46-44(23-30)52(59(75-46)33-14-20-39(65)21-15-33)45-27-42(68)29-48-53(45)51(34-3-1-5-40(66)24-34)58(77-48)32-12-18-38(64)19-13-32/h1-29,50-51,54-58,60,62-71H,(H,72,73)/b9-7+