InChI=1/C16H18N4O4S/c1-17-25(23,24)14-9-5-8-13(10-14)19-15(21)11-18-16(22)20-12-6-3-2-4-7-12/h2-10,17H,11H2,1H3,(H,19,21)(H2,18,20,22)/f/h18-20H 7F31827BAAD6AF44