InChI=1S/C21H13Cl2N3O2/c22-14-7-13(11-24)8-16(9-14)28-21-10-15(5-6-18(21)23)27-12-20-17-3-1-2-4-19(17)25-26-20/h1-10H,12H2,(H,25,26)