Subramanian, G. B. V.; Mahajan, V. K.; Ganesh, K. N., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981, vol. 20, # 11, p. 967 - 969
Subramanian, G. B. V.; Mahajan, V. K.; Ganesh, K. N., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981, vol. 20, # 11, p. 967 - 969