InChI=1/C20H20N4O4S/c1-20(2,18(26)24-27)16-12-29-19(22-16)23-17(25)15-10-6-7-13(21-15)11-28-14-8-4-3-5-9-14/h3-10,12,27H,11H2,1-2H3,(H,24,26)(H,22,23,25)/f/h23-24H 9B3DD8AF5C471641