Rajachandrasekhar, V., Hariprasad, C., Venugopala Rao, V., Venkataiah, S., & Dubey, P. (2014). Synthesis of 9,10-Substituted 3,4,10,10a-Tetrahydro-2H,9H-1-oxa-4a,9-diazaphenanthrenes by Reductive Cyclization Method. Asian Journal of Chemistry, 26(11), 3161–3165. https://doi.org/10.14233/ajchem.2014.15859