Gupta, Archana; Ahmad, F.; Siddiqui, M. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 870 - 872
Gupta, Archana; Ahmad, F.; Siddiqui, M. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 870 - 872