InChI=1/C15H13N3O4S/c1-15(11-5-3-2-4-6-11)13(19)17(14(20)16-15)8-10-7-12(18(21)22)23-9-10/h2-7,9H,8H2,1H3,(H,16,20)/t15-/m1/s1/f/h16H 12330541119C9393