1,4-Naphthalenedione, 5-hydroxy- 1,4-Naphthoquinone, 5-hydroxy- 1,4-Naphthoquinone, 8-hydroxy- 481-39-0 5-Hydroxy-1,4-naphthoquinone 5-Hydroxy-1,4-naphthosemiquinone 5-Hydroxynaphthoquinone 8-Hydroxy-1,4-naphthoquinone Akhnot C.I. 75500 C.I. Natural Brown 7 Iuglon JUGLONE Juglane Juglon Jugnlon NCI 2323 NSC34266 Nucin Oil Red BS Regianin WLN: L66 BV EVJ GQ Walnut Extract Yuglon