... Susanna Berg,+ Genevieve Estenne-Bouhtou,+ Kristina Luthman,*>' Ingeborg Csoregh,S Willy Hemelink,# and Uli Hacksell' Department of Organic Pharmaceutical Chemistry, Uppsala Biomedical ... (d) Clapp, L. B. In Comprehensive Heterocyclic Chemistry; Potts, K ... 3114 J. Org. ...