InChI=1/C16H16N4O4S/c1-11-4-2-3-5-13(11)16(22)18-17-15(21)12-6-7-14-19-25(23,24)9-8-20(14)10-12/h2-7,10H,8-9H2,1H3,(H,17,21)(H,18,22)/f/h17-18H D3769C92DBB699DC