[1] Univ Bonn, Pharmaceut Inst, Pharmaceut & Med Chem, D-53121 Bonn, Germany
[2] Cent Inst Bundeswehr, Med Serv Munich, D-85748 Garching, Germany
[3] Univ Alcala, Dept Quim Organ & Quim Inorgan, Madrid 28871, Spain
[4] CSIC, IQOG, Lab Med Chem, Madrid 28006, Spain
[5] Eli Lilly & Co, Lilly Res Labs, Madrid 28108, Spain
[6] Eli Lilly & Co, Lilly Res Ctr, Windlesham GU20 6PH, Surrey, England
[7] Eli Lilly & Co, Lilly Res Labs, Indianapolis, IN 46285 USA
[8] Camilo Jose Cela Univ Madrid UCJC, Fac Hlth, Neuropsychopharmacol Unit, Madrid 28692, Spain
[9] Bundeswehr Inst Pharmacol & Toxicol, D-80937 Munich, Germany
[10] Univ Appl Sci Bonn Rhein Sieg, Dept Nat Sci, D-53359 Rheinbach, Germany
[11] Inst Radiopharmaceut Canc Res, Helmholtz Zentrum Dresden Rossendorf, Dept Neuroradiopharmaceut, D-04318 Leipzig, Germany