InChI=1/C16H12Br2Cl2N2O3/c1-8(25-14-3-2-11(19)6-13(14)20)16(24)22-21-7-9-4-10(17)5-12(18)15(9)23/h2-8,23H,1H3,(H,22,24)/b21-7+/t8-/m0/s1/f/h22H 8D4CFA384387C2EE