Jorapur, V. S.; Shaligram, A. M.; Rao, A. S., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 9, p. 744 - 745
Jorapur, V. S.; Shaligram, A. M.; Rao, A. S., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 9, p. 744 - 745