Srivastava, Apurva K.; Gupta, R. C.; Grover, P. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 7, p. 671 - 673
Srivastava, Apurva K.; Gupta, R. C.; Grover, P. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 7, p. 671 - 673