Synonyms: 1,4-Naphthoquinone,5,8-dihydroxy- (7CI,8CI);Naphthazarin (6CI);5,8-Dihydroxy-1,4-naphthalenedione;5,8-Dihydroxy-1,4-naphthoquinone;5,8-Dihydroxy-1,4-naphthosemiquinone;5,8-Dihydroxynaphthoquinone;NSC 26647;NSC 344555;Naphthazarine;Naphthazarone;