Ahluwalia, V. K.; Gupta, Ranjna; Rani, Nimmi, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 9, p. 814 - 815
Ahluwalia, V. K.; Gupta, Ranjna; Rani, Nimmi, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 9, p. 814 - 815