M. Harikumaran Nair and M. Pramila Gladis, “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, vol. 20, no. 4, pp. 2504–2514, Mar. 2010.