InChI=1S/C62H48O15/c63-38-19-17-34(18-20-38)59-52(44-22-31(15-21-46(44)74-59)14-16-36-24-41(66)29-47-49(36)50(35-12-7-13-39(64)23-35)57(75-47)32-8-3-1-4-9-32)45-28-42(67)30-48-53(45)51(58(76-48)33-10-5-2-6-11-33)37-25-40(65)27-43(26-37)73-62-56(70)54(68)55(69)60(77-62)61(71)72/h1-30,50-51,54-58,60,62-70H,(H,71,72)/b16-14+