InChI=1/C16H18N4O4S/c1-9(2)24-15(22)11-5-4-6-12(7-11)17-13(21)8-25-14-10(3)19-20-16(23)18-14/h4-7,9H,8H2,1-3H3,(H,17,21)(H,18,20,23)/f/h17,20H 38DC04EBE37426A6