Sarma, Nittala S.; Anjaneyulu, A. S. R.; Rao, C. B. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 715 - 721
Sarma, Nittala S.; Anjaneyulu, A. S. R.; Rao, C. B. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 715 - 721