InChI=1/C21H22N4O4S/c1-23-20(28)15-6-4-14(5-7-15)11-25(12-16-3-2-9-29-16)13-18(26)24-21-17(19(22)27)8-10-30-21/h2-10H,11-13H2,1H3,(H2,22,27)(H,23,28)(H,24,26)/p+1/fC21H23N4O4S/h23-25H,22H2/q+1 8958BAC7D13D55A3