Affiliation: | (1) Department of Organic Chemistry, University of Padova, Biopolymer Research Center, C.N.R., I-35131 Padova, Italy;(2) Department of Medical Biochemistry and Biophysics, Karolinska Institute, S-171 77 Stockholm, Sweden;(3) GlaxoSmithKline Medicines Research Center, I-37135 Verona, Italy |