Synonyms: Imidazolium compounds, 4,5-dihydro-1-(hydroxyethyl)-1(or3)-(2-hydroxy-3-sulfopropyl)-2-norcoco alkyl, hydroxides, monosodium salts; Imidazolium compounds, 4,5-dihydro-1-(hydroxyethyl)-1(or3)-(2-hydroxy-3-sulfopropyl)-2-norcoco alkyl, hydroxides, monosodium salts;4,5-Dihydro-1-(hydroxyethyl)-1(or3)-(2-hydroxy-3-sulfopropyl)-2-norcoco alkyl imidazoliumcompds., hydroxides, monosodium salts