InChI=1/C18H14N4O4S2/c1-10(23)22-28(25,26)12-4-2-11(3-5-12)19-8-13-16-14(21-18(13)24)6-7-15-17(16)27-9-20-15/h2-9,21,24H,1H3,(H,22,23)/p-2/fC18H12N4O4S2/h24h/q-2 878AC64912A6BDD8