The favorable nuclear properties in combination with the rich coordination chemistry make technetium-99m the radioisotope of choice for the development of myocardial perfusion tracers. In the early 1980s. [99mTc]Tc-Sestamibi. [99mTc]Tc-Tetrofosmin. https://www.bekindtopets.com/deal-find-Equi-Jec-6-best-super/