InChI=1/C15H13N3O3S/c16-22(20,21)11-7-5-10(6-8-11)17-9-13-12-3-1-2-4-14(12)18-15(13)19/h1-9,17H,(H,18,19)(H2,16,20,21)/b13-9+/f/h18H,16H2 90C580D47D251A6D