InChI=1S/C44H32N4O3S/c49-52(50,51)44-38-26-25-36(47-38)41(30-17-9-3-10-18-30)34-22-21-33(45-34)40(29-15-7-2-8-16-29)35-23-24-37(46-35)42(31-19-11-4-12-20-31)43-32(27-39(44)48-43)28-13-5-1-6-14-28/h1-27,45-48H,(H,49,50,51)/b40-33-,40-35-,41-34-,41-36-,42-37-,43-42-,44-38+,44-39+