Jain, S. M.; Kumar, Ashwani; Purnima, Basant, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 390 - 393
Jain, S. M.; Kumar, Ashwani; Purnima, Basant, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 390 - 393