InChI=1S/C15H16ClN3O4S2/c1-9(10-5-3-2-4-6-10)15-18-12-7-11(16)13(24(17,20)21)8-14(12)25(22,23)19-15/h2-9,15,18-19H,1H3,(H2,17,20,21)