G. Li1, S.-X. Gao2, Z.-L. Ren1, N. Wen1, L. Wang1, and X.-Y. Dong1, “Synthesis and Characterization of Five Bisoxime-Type Chelating Ligands Based on Bis(aminooxy)alkane and 2-Naphthaldehyde”, ajc, vol. 26, no. 20, pp. 6964–6966, Sep. 2014.