InChI=1S/C20H15Cl2N3O5S/c1-28-13-8-14(11-3-6-18(29-2)23-10-11)19-16(9-13)24-20(30-19)25-31(26,27)17-7-12(21)4-5-15(17)22/h3-10H,1-2H3,(H,24,25)