Subramanian, M; Shanmugam, P; Prasad, K. J.Rajendra, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1991, vol. 30, # 4, p. 422 - 424
Subramanian, M; Shanmugam, P; Prasad, K. J.Rajendra, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1991, vol. 30, # 4, p. 422 - 424