InChI=1S/C17H18Cl2N2O5S/c1-17(2)12(16(24)25)21-14(23)10(15(21)27-17)20-13(22)11(26-3)7-4-5-8(18)9(19)6-7/h4-6,10-12,15H,1-3H3,(H,20,22)(H,24,25)/t10-,11?,12+,15-/m1/s1