Sharma. V. L.; Bhandari, Kalpana; Chatterjee, S. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 4, p. 393 - 396
Sharma. V. L.; Bhandari, Kalpana; Chatterjee, S. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 4, p. 393 - 396