Subramanian, G. B. V.; Mahajan, Vijay K.; Ganesh, K. N., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 3, p. 169 - 172
Subramanian, G. B. V.; Mahajan, Vijay K.; Ganesh, K. N., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 3, p. 169 - 172