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