Diagnostic preparations for medical purposes; medical preparations in the nature of [ contrast agents, ] molecular imaging agents, radiopharmaceuticals, PET agents, radiotracers, PET tracers and diagnostic imaging agents for use in medical imaging; PET imaging tracing chemicals for medical use; PET tracing chemicals and reagents prepared for [ ingestion or ] injection into humans [ and animals ] for medical use; reagents for medical purposes; diagnostic scanning agents for medical use; prepar...