Rao, S. Krishan; Reddy, A. Pandu Ranga; Veeranagaiah, V., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 918 - 922
Rao, S. Krishan; Reddy, A. Pandu Ranga; Veeranagaiah, V., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 918 - 922