Omeran Fhid, D. “Synthesis and Pro Coagulant Properties of New Amide Derivatives of Pyrimidin 8 ON 2 1 F Theophylline-9-Alkylcarboxylic Acids”. International Journal of Pharmaceutical & Biological Archive, vol. 3, no. 3, July 2012, http://ijpba.info/index.php/ijpba/article/view/675.