Gupta, K. C.; Srivastava, N.; Nigam, R. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. <B> 20, # 9 p. 802 - 803
Gupta, K. C.; Srivastava, N.; Nigam, R. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. <B> 20, # 9 p. 802 - 803
Gupta, K. C.; Srivastava, N.; Nigam, R. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. <B> 20, # 9 p. 802 - 803