Sawhney, S. N.; Sharma, Pawan Kumar; Gupta, Asha, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1993, vol. 32, # 11, p. 1190 - 1195
Sawhney, S. N.; Sharma, Pawan Kumar; Gupta, Asha, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1993, vol. 32, # 11, p. 1190 - 1195