عناصر مشابهة

• New Synthesis and reactions of pyrimdine thione derivatives
  بواسطة: Youssif, Shaker Abbas Khalil منشور: (1987)
• Studies on the Synthesis and Chemical Reactions of Some New Heterocyclic Compounds Containing Pyridine ring and Their Nucleosides of Expected Biological Activity
  بواسطة: الصوفانى، ولاء إبراهيم أحمد إبراهيم منشور: (2009)
• SYNTHESIS AND STUDIES OF FUSED PYRIMIDINE DERIVATIVES
  بواسطة: Ali, Haher Raid Ibrahim منشور: (1991)
• STUDIES ON THE SYNTHESIS OF FUSED PYRIMIDINE DERIVATIVES
  بواسطة: Ahmed, Ahmed Hussain Mostafa منشور: (1989)
• studies on some organic bases
  بواسطة: Ouf, Nabil Hassan Mostafa منشور: (1991)