InChI=1/C12H10N6O4S/c1-17-12-10(11(13)16-23(17,21)22)14-6-9(15-12)7-3-2-4-8(5-7)18(19)20/h2-6H,1H3,(H2,13,16)/f/h13H2 803ED0494D89430A