Natarajan, Manivannan, Elanchezhian Balachandravinayagam, Meenakshi Selvaraju, and Selvanathan Ganesan. 2012. “Synthesis, Spectral Studies and in Vitro Antibacterial Evaluation of Triaza and Dioxa Aza Spiro Derivatives”. Asian Journal of Chemistry 25 (1):277-81. https://doi.org/10.14233/ajchem.2013.12976.