Synthesis, spectroscopic characterization, X-ray diffraction studies and in-vitro antibacterial activities of diorganotin(IV) derivatives with N -methyl-4-bromobenzohydroxamic acid by Irshad, Ali, Khan, Naqeebullah, Farina, Yang, Baloch, Nizam, Samiullah, -, Ali, Akbar, Lo, Kong Mun, Murtaza, Ghulam, Attiq-ur-Rehman, -