.alpha.-Hydroxynaphthalene .alpha.-Naphthol 1-Hydroxynaphthalene 1-Naphthalenol 1-Naphthol 90-15-3 Basf Ursol ERN C.I. 76605 C.I. Oxidation Base 33 Durafur Developer D Fouramine ERN Fourrine 99 Fourrine ERN Furro ER NSC9586 Nako TRB Tertral ERN Ursol ERN WLN: L66J BQ Zoba ERN