Tripathi, Ravish C.; Tandon, V. K.; Khanna, J. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 37 - 41
Tripathi, Ravish C.; Tandon, V. K.; Khanna, J. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 37 - 41