Padmanabhan, P. V.; Ramana, D. V.; Ramadas, S. R., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 729 - 730
Padmanabhan, P. V.; Ramana, D. V.; Ramadas, S. R., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 729 - 730