1,4-Naphthalenedione, 5,8-dihydroxy- 1,4-Naphthoquinone, 5,8-dihydroxy- 475-38-7 5,8-Dihydroxy-1,4-naphthoquinone 5,8-Dihydroxy-1,4-naphthosemiquinone 5,8-Dihydroxynaphthoquinone NSC26647 Naphthazarin Naphthazarine Naphthazarone