InChI: | InChI=1/C36H28N8O8S/c1-52-31-5-3-2-4-27(31)42-43-28-17-15-25-32(53(49,50)51)19-29(34(37)33(25)35(28)47)44-40-23-12-10-21(11-13-23)38-36(48)20-6-8-22(9-7-20)39-41-26-16-14-24(45)18-30(26)46/h2-19,39,42,46H,37H2,1H3,(H,38,48)(H,49,50,51)/b41-26-,43-28+,44-40+ |