InChI=1S/C62H48O15/c63-38-19-17-34(18-20-38)58-51(37-24-39(64)27-40(65)25-37)49-36(23-41(66)29-47(49)75-58)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)50(57(76-48)32-8-3-1-4-9-32)35-12-7-13-43(26-35)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+