Synonyms: Benzenesulfonic acid, hydroxy-, polymer with formaldehyde, phenol and urea, ammonium salt;benzenesulfonic acid, hydroxy-, polymer withformaldehyde, phenol and urea, ammonium salt;Benzenesulfonic acid,hydroxy-,polymer with formaldehyde,phenol and urea,ammonium salt;Formaldehyde, urea, phenol, hydroxybenzenesulfonic acid polymer, ammonium salt