Mitra, R. B.; Khanra, A. S.; Deshmukh, A. R. A. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 5, p. 436 - 437
Mitra, R. B.; Khanra, A. S.; Deshmukh, A. R. A. S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 5, p. 436 - 437