1,4-NAPHTHOQUINONE, 5,8-DIHYDROXY- 1,4-Naphthalenedione, 5,8-dihydroxy- (9CI) 475-38-7 5,8-Dihydroxy-1,4-naphthalenedione 5,8-Dihydroxy-1,4-naphthoquinone 5,8-Dihydroxy-1,4-naphthosemiquinone 5,8-Dihydroxynaphthoquinone CCRIS 6670 EINECS 207-495-4 NSC 26647 Naphthazarin Naphthazarine Naphthazarone