Samanta, S. R.; Mukherjee, A. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, # 1-12 p. 26 - 29
Kessar, S. V.; Nadir, U. K.; Gupta, Y. P.; Pahwa, P. S.; Singh, Paramjit
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 1 p. 1 - 3
Nagarajan, K.; Talwalker, P. K.; Kulkarni, C. L.; Shah, R. K.; Shenoy, S. J.; Prabhu, S. S.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1985 , vol. 24, p. 83 - 97