Chauhan, S. M. S.; Chaudhary, Shveta; Awasthi, Abha, Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1997, vol. 36, # 2, p. 172 - 174
Chauhan, S. M. S.; Chaudhary, Shveta; Awasthi, Abha, Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1997, vol. 36, # 2, p. 172 - 174