Chandrasekharan, V.; Unnikrishnan, P.; Shah, G. D., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 9, p. 746 - 747
Chandrasekharan, V.; Unnikrishnan, P.; Shah, G. D., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 9, p. 746 - 747