Amtul, Zareen; Kausar, Naheed; Follmer, Cristian; Rozmahel, Richard F.; Atta-Ur-Rahman; Kazmi, Syed Arif; Shekhani, Mohammed Saleh; Eriksen, Jason L.; Khan, Khalid M.; Choudhary, Mohammad Iqbal Bioorganic and Medicinal Chemistry, 2006 , vol. 14, # 19 p. 6737 - 6744