InChI=1/C12H10N3O5S/c1-8-2-3-9(6-10(8)15(17)18)14-21(19,20)12-7-13-5-4-11(12)16/h2-7H,1H3,(H,13,16)/q-1/f/h13H BEF0DD6F3C13A9A8