(1)
Abdel-Aziz, S. A.-G.; Ali, T. E.-S.; El-Mahdy, K. M.; Abdel-Karim, S. M. Synthesis and Antimicrobial Activities of Some Novel Bis-Pyrazole Derivatives Containing a Hydrophosphoryl Unit. Eur. J. Chem. 2011, 2, 25-35.