InChI=1/C15H15N3O5S/c1-10-9-13(18(20)21)5-8-15(10)17-24(22,23)14-6-3-12(4-7-14)16-11(2)19/h3-9,17H,1-2H3,(H,16,19)/f/h16H 448824CC4FA6399A