InChI=1/C14H12N4O6S/c15-10-3-1-8(5-12(10)18(20)21)17-25(22,23)9-2-4-13-11(6-9)16-14(19)7-24-13/h1-6,17H,7,15H2,(H,16,19)/f/h16H 375C22B4C2459D2F