1,6-Dihydroxynaphthalene 1,6-Naphthalenediol 1.6-Dihydroxynaphthalene 2,5-Naphthalenediol 575-44-0 6-Hydroxy-1-naphthol C.I. 76630 NSC7201 Naphthalene, 1,6-dihydroxy-