InChI=1/C14H13N3O5S/c1-9-5-6-11(8-13(9)23(15,21)22)16-14(18)10-3-2-4-12(7-10)17(19)20/h2-8H,1H3,(H,16,18)(H2,15,21,22)/f/h16H,15H2 7CDD6E2B49D8B937