2-(2-Naphthyl)acetic acid 2-NAPHTHALENEACETIC ACID 2-Naphthylacetic acid 581-96-4 Acide beta-naphthylacetique [French] Betoxan EINECS 209-475-0 NSC 301 beta-Naphthaleneacetate beta-Naphthaleneacetic acid beta-Naphthylacetic acid