Gupta, R. K.; Krishnamurti, M.; Sherif, E. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 7, p. 616 - 617
Gupta, R. K.; Krishnamurti, M.; Sherif, E. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 7, p. 616 - 617