Qayyoom, M. A.; Hanumanthu, P.; Ratnam, C. V, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 9, p. 883 - 884
Qayyoom, M. A.; Hanumanthu, P.; Ratnam, C. V, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 9, p. 883 - 884