Li, X., An, M., Liu, C., Wang, C., & Wang, X. (2015). Synthesis, Characterization and Calculated Studies of L-Tryptophan Condensation 1,3-Benzenedialdehyde Schiff Base Co(II) and Mn(II) Complexes. Asian Journal of Chemistry, 27(2), 597–603. https://doi.org/10.14233/ajchem.2015.17072