Shridhar, D. R.; Gandhi, S. S.; Srinivasa, Rao, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 12, p. 1075 - 1077
Shridhar, D. R.; Gandhi, S. S.; Srinivasa, Rao, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 12, p. 1075 - 1077