flutemetamol (18f) pet tracer molecule. used to diagnose alzheimer\'s disease

flutemetamol 18f pet scanning radiopharmaceutical tracer fluorine hydrogen carbon oxygen nitrogen sulfur beta amyloid alzheimer radiochemistry radioactive nuclear medicine radioisotope isotope radionuclide positron emission tomography imaging disease drug therapy medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular compound bond structure formula circle ring line drawing skeletal