Sinha, N. K.; Sarkhel, B. K.; Srivastava, Jagdish N., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1986, vol. 25, p. 640 - 643
Sinha, N. K.; Sarkhel, B. K.; Srivastava, Jagdish N., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1986, vol. 25, p. 640 - 643