https://www.etrustin.com/product_detail_en/id/533.html
Poly[(Naphthaleneformaldehyde)Sulfonated] Sodium(Naphthalene sulfonic acid formaldehyde...
Poly[(Naphthaleneformaldehyde)Sulfonated] Sodium(Naphthalene sulfonic acid formaldehyde Condensates)
sodium naphthalenesulfonic acidpolysulfonatedformaldehyde