Siddiqui, Amin A.; Khan, Naseem H.; Basheeruddin, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 11, p. 1003 - 1005
Siddiqui, Amin A.; Khan, Naseem H.; Basheeruddin, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 11, p. 1003 - 1005