InChI=1/C21H20N4O4S/c1-13-2-4-14(5-3-13)12-17-19(27)25(21(29)30-17)11-10-23-18(26)15-6-8-16(9-7-15)24-20(22)28/h2-9,12H,10-11H2,1H3,(H,23,26)(H3,22,24,28)/b17-12-/f/h23-24H,22H2 D39D18FA619E74BE