2-Naphthalenesulfonic acid, sodium salt, polymer with formaldehyde 29321-75-3 91262-91-8 Formaldehyde, polymer with sodium 2-naphthalenesulfonate Formaldehyde-beta-naphthalenesulfonic acid polymer sodium salt Formaldehyde-sodium 2-naphthalenesulfonate polymer Formaldehyde-sodium beta-naphthalenesulfonate polymer Lavelin FA Lavelin FA-N Lavelin FHL Lavelin FM-L Lavelin FW Naphthalene 2-sulfonate polymer PRO 2000/5 Pro 1041 Pro 2000 Sodium 2-naphthalenesulfonate-formaldehyde polymer Sodium beta-naphthalenesulfonate-formaldehyde