Zhu*, H.; Bu, L.; Wei, Z.; Li, L.; Wang, Y.; Xu, X. Synthesis, Characterization and Antibacterial Study of Co(II), Ni(II), Zn(II) and Cu(II) Complexes of Methyl 2-{1-[(Z)-3- Methyl-5-Oxo-1-Phenyl-4,5-Dihydro- 1H-Pyrazol-4-Yl-idene]ethylamino}-3-Phenylpropanoate. ajc 2011, 23, 2229-2230.