英文别名sodium naphthalene sulfonate formaldehyde; SODIUM NAPHTHALENESULFONATE-FORMALDEHYDE COPOLYMER; Naphthalenesulfonic acid sodium salt/formaldehyde polymer; formaldehyde/ naphthalenesulfonic acid, sodium; Naphthalenesulfonic acid, sodium salt (1:1), polymer with formaldehyde; Napthalenesulfonic acid, sodium salt, polymer with formaldehyde; Lavelin 
