» Technetium Tc 99m Mebrofenin Injection is a sterile aqueous solution of Stannous Fluoride and Mebrofenin labeled with radioactive technetium Tc 99m suitable for intravenous administration. It contains not less than 90.0 percent and not more than 110.0 percent of the labeled amount of ^99mTc, as the complex with mebrofenin, expressed in megabecquerels (or in millicuries) per mL at the time indicated in the labeling. It may contain antimicrobial agents and buffers. Other chemical forms of radioactivity do not exceed 10.0 percent of the total radioactivity.