1,4-Naphthalenedione, 5-hydroxy-2-methyl- 1,4-Naphthoquinone, 5-hydroxy-2-methyl- 481-42-5 5-Hydroxy-2-methyl-1,4-naphthalenedione 5-Hydroxy-2-methyl-1,4-naphthoquinone NSC236613 PLUMBAGIN Plumbaein Plumbagine WLN: L66 BV EVJ C1 GQ