1. Carbon Dioxide Activation Center (CADIAC); Department of Chemistry and the Interdisciplinary Nanoscience Center (iNANO); Aarhus University; Gustav Wieds Vej 14 8000 Aarhus C Denmark
2. Department of Medicinal Chemistry; Uppsala University; 75123 Uppsala Sweden
3. Department of Nuclear Medicine and PET Center; Aarhus University Hospital; 8000 Aarhus Denmark