Gupta, G. D.; Gupta, Rakesh P.; Pujari, H. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 12, p. 1035 - 1037
Gupta, G. D.; Gupta, Rakesh P.; Pujari, H. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 12, p. 1035 - 1037