Gupta, R. K.; Krishnamurti, M.; Sherif, E. A., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 10, p. 905
Gupta, R. K.; Krishnamurti, M.; Sherif, E. A., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 10, p. 905