Synonyms: 1-Propanesulfonic acid, 2-methyl-, 2-((1-oxo-3-((gamma-omega-perfluoro-C4-16-alkyl)thio)propyl)amino) derivs., sodium salts;2-Methyl-2-((1-oxo-3-(1,1,2,2-tetrahydroperfluoroalkyl(C4-C16)thio)propyl)amino)-1-propanesulfonic acid, sodium salt;1-Propanesulfonic acid, 2-methyl-, 2-((1-oxo-3-((gamma-omega-perfluoro-C4-16-alkyl)thio)propyl)amino) derivs, sodium salts;sodium 2-methylpropane-1-sulfonate