technetium 99m 2-methyl-1-(methyl(2-(methyl(2-methyl-2-sulfanylpropyl)amino)ethyl)amino)-2-propanethiol
technetium 99m 2-methyl-1-(methyl(2-(methyl(2-methyl-2-sulfanylpropyl)amino)ethyl)amino)-2-propanethiol