Vig, O. P.; Bari, S. S.; Sattar, M. A., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 617 - 619
Vig, O. P.; Bari, S. S.; Sattar, M. A., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 617 - 619