Abd-El-Aziz, Alaa S.; Mohamed, Hany M.; Mohammed, Shawkat; Zahid, Shamsulhaq; Ata, Athar; Bedair, Ahmed H.; El-Agrody, Ahmed M.; Harvey, Pierre D.
Journal of Heterocyclic Chemistry, 2007 , vol. 44, # 6 p. 1287 - 1301