InChI=1/C16H18N4O4S/c1-7-11-8(2)18-13(9-4-5-9)20-14(11)25-12(7)15(22)24-6-10(21)19-16(23)17-3/h9H,4-6H2,1-3H3,(H2,17,19,21,23)/f/h17,19H 376EA22CF43EEA5D