Optimization of the preparation of fluorine-18-labeled steroid receptor ligands 16alpha-[18
F]fluoroestradiol (FES), [18
F]fluoro furanyl norprogesterone (FFNP), and 16beta-[18
F]fluoro-5alpha-dihydrotestosterone (FDHT) as radiopharmaceuticals
Optimization of the preparation of fluorine-18-labeled steroid receptor ligands 16alpha-[18
F]fluoroestradiol (FES), [18
F]fluoro furanyl norprogesterone (FFNP), and 16beta-[18
F]fluoro-5alpha-dihydrotestosterone (FDHT) as radiopharmaceuticals