Singh, H.; Mishra, A. R.; Yadav, L. D. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 1200 - 1202
Singh, H.; Mishra, A. R.; Yadav, L. D. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 1200 - 1202