InChI=1S/C14H18Cl2N2O6S/c1-25(22,23)9-4-2-8(3-5-9)12(20)10(7-24-11(19)6-17)18-14(21)13(15)16/h2-5,10,12-13,20H,6-7,17H2,1H3,(H,18,21)/t10-,12-/m1/s1