InChI=1S/C21H23ClN4O4S/c1-31(29,30)15-4-2-14(3-5-15)13-25-6-8-26(9-7-25)18-12-23-24-21(18)16-10-17(22)20(28)11-19(16)27/h2-5,10-12,27-28H,6-9,13H2,1H3,(H,23,24)