(4-Ammonio-m-tolyl)ethyl(2-hydroxyethyl)ammonium sulphate 2-((4-Amino-3-methylphenyl)ethylamino)ethanol sulfate 2359-51-5 25646-77-9 CD 4 EINECS 247-162-0 Ethanol, 2-((4-amino-3-methylphenyl)ethylamino)-, sulfate (1:1) (salt) Kodak CD 4 N5-Ethyl-N5-(2'-hydroxyethyl)toluene-2,5-diammonium sulfate PPD 4 4