142541-49-9 99m-TC-Dadt-ipe Technetium Tc 99m 4-iodophenethyldiaminodithiol Technetium-99Tc, (1-((2-((2-(4-iodophenyl)ethyl)(2-mercapto-2-methylpropyl)amino)-1,1-dimethylethyl)amino)-2-methyl-2-propanethiolato(3-)-N,N',S,S')oxo-, (SP-5-35)-