Will thank your help with this old reference.
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1- Kulkarni, Mandakini M.; Sohoni, Jayant S.; Rojatkar, Supada R.; Nagasampagi, Bhimsen A.; Indian Journal of
Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry; vol. 25; (1986); p. 981 - 982.
2- Walia, S.; Dureja, P.; Mukerjee, S. K.; Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal
Chemistry; vol. 24; (1985); p. 147 - 150.