00295nam a2200109Ia 4500008004100000040001100041100002500052245003500077260004600112300001700158300001000175251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aPhilip S. Portoghese 0aJournal of Medicinal Chemistry  cAugust 15, 1996bAcademic PressaNew York  aP. 3505-4048  bV. 88