Breslin, Henry J.; Kukla, Michael J.; Kromis, Teresa; Cullis, Heather; De Knaep, Fons; Pauwels, Rudi; Andries, Koen; De Clercq, Erik; Janssen, Marcel A.C.; Janssen, Paul A.J. Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 11 p. 2427 - 2436