InChI=1S/C62H48O17/c63-36-13-9-31(10-14-36)58-51(35-22-39(66)25-40(67)23-35)53-45(26-42(69)28-48(53)78-58)52-44-18-29(7-17-46(44)76-59(52)30-4-2-1-3-5-30)6-8-33-19-41(68)27-47-49(33)50(34-20-37(64)24-38(65)21-34)57(77-47)32-11-15-43(16-12-32)75-62-56(72)54(70)55(71)60(79-62)61(73)74/h1-28,50-51,54-58,60,62-72H,(H,73,74)/b8-6+