H. Al-Tilasi, H., & E.M. El-Baih, F. (2014). Synthesis of Some Novel Pyrazolopyridooxazine, Pyrazoloquinolizines, Pyrazoloindolizine and Pyrazolopyranopyrimidinone Derivatives. Asian Journal of Chemistry, 26(13), 3896–3902. https://doi.org/10.14233/ajchem.2014.16002