InChI=1/C16H18N4O5S2/c1-20(2)27(24,25)12-5-3-4-11(8-12)18-16(26)19-17-9-10-6-7-13(21)15(23)14(10)22/h3-9,21-23H,1-2H3,(H2,18,19,26)/b17-9+/f/h18-19H EEF9BF3B4B083DF1