InChI=1S/C22H20ClN3O4S/c1-12(13-6-4-5-7-14(13)23)30-19-10-20(31-21(19)22(24)27)26-11-25-15-8-17(28-2)18(29-3)9-16(15)26/h4-12H,1-3H3,(H2,24,27)/t12-/m1/s1