[1]
V. Sahai, D. Joshi, and M. Pandey, “Synthesis of 4-2,7-Dithydroxy Naphthyl Azo-2,3-Dimethyl-1-Phenyl-3-Pyrazoline-5-one ”., ajc, vol. 5, no. 3, pp. 610–611, Mar. 2010.