Tavman, A.; Gurbuz, D.; Cinarli, A. Synthesis and Spectral Characterization of 1,2-bis(5-methyl/Chloro-1H-Benzimidazol-2-yl)ethanols and Their Co(II), Pd(II) and Zn(II) Complexes. J. Serb. Chem. Soc. 2018, 83, 1099-1112.