n-ethyl-n-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline, sodium salt ; maos ; maos (n-ethyl-n-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline sodium salt monohydrate ; n-ethyl-n-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline sodium salt ; maos (n-ethyl-n-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline so ; n-ethyl-n-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline sodium salt monohydrate