InChI=1S/C62H48O16/c63-37-16-12-32(13-17-37)57-50(34-7-4-8-39(65)22-34)49-35(25-43(29-48(49)77-57)74-62-56(71)54(69)55(70)60(78-62)61(72)73)11-9-30-10-20-46-44(21-30)52(59(75-46)31-5-2-1-3-6-31)45-27-42(68)28-47-53(45)51(36-23-40(66)26-41(67)24-36)58(76-47)33-14-18-38(64)19-15-33/h1-29,50-51,54-58,60,62-71H,(H,72,73)/b11-9+