InChI=1S/C20H15BrClN3O4/c1-25-12-8-10(9-4-2-3-5-11(9)22)13-15(19(28)24-18(13)27)14(12)16(21)17(25)20(29)23-6-7-26/h2-5,8,26H,6-7H2,1H3,(H,23,29)(H,24,27,28)