Harikumaran Nair, M.; Pramila Gladis, M. Synthesis and Characterization of Oxomolybdenum(V) and Dioxomolybdenum(VI)Complexes of 2,3-Dimethyl-1-Phenyl 4-(2-Hydroxy-5-Bromobenzylideneamino)-Pyrazol-5-One. ajc 2010, 20, 2504-2514.