InChI=1S/C19H22Cl2N6O5S/c1-11-13(10-22)18(23-4-2-6-28)25-19(24-5-3-7-29)16(11)26-27-17-14(21)8-12(20)9-15(17)33(30,31)32/h8-9,28-29H,2-7H2,1H3,(H2,23,24,25)(H,30,31,32)/b27-26+