Sawhney; Sharma; Bajaj; Gupta Synthetic Communications, 1993 , vol. 23, # 2 p. 263 - 270 Title/Abstract Full Text View citing articles Show Details Sawhney, S N; Sharma, P. K.; Bajaj, K; Gupta, A Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1994 , vol. 33, p. 280 - 284