InChI=1/C15H11N3O5S/c19-12-4-1-8(5-13(12)20)14(21)7-24-15-16-10-3-2-9(18(22)23)6-11(10)17-15/h1-6,19-20H,7H2,(H,16,17)/f/h16H 51033A44E36FF807