InChI=1/C15H15N3O5S/c1-10-14(4-3-5-15(10)18(20)21)17-24(22,23)13-8-6-12(7-9-13)16-11(2)19/h3-9,17H,1-2H3,(H,16,19)/f/h16H B8DF79296691C7AE