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