InChI=1S/C44H20/c1-3-9-25-23(7-1)27-11-5-13-29-31-17-18-32-30-14-6-12-28-24-8-2-4-10-26(24)34-20-22-16-15-21-19-33(25)41(37(27)29)43-35(21)36(22)44(40(32)39(31)43)42(34)38(28)30/h1-20H