+++Thanks suprachemister_Article from heterocyclic commun

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Title: Microwave Assisted Synthesis Of Some 2,4 Dihydroxy 1 ,8 - Naphthyridines And Their Derivatives Devoid Of Solvent And Catalyst
Authors: Maringanti, Thirumala Chary, Eppakayala, Laxminarayana, Sripelly, Shiva Shankar, Atmakuri, Narender
Journal: Heterocyclic Communications, vol 15, issue 1, pages 35-41; year 2009

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http://www.reference-global.com/doi/pdf/10.1515/HC.2009.15.1.35

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