InChI=1S/C23H16ClN3O3/c24-19-20(22(29)18-6-2-1-5-17(18)21(19)28)26-12-14-7-9-15(10-8-14)23(30)27-16-4-3-11-25-13-16/h1-11,13,26H,12H2,(H,27,30)