2,6,7-trihydroxy-3-methylnaphthalene-1,4-dione
2,6,7-trihydroxy-3-methylnaphthalene-1,4-dione
A  naphthoquinone that is naphthalene-1,4-dione substituted by hydroxy groups at positions 2, 6 and 7 and a methyl group at position 3. It has been isolated from <em>Penicillium purpurogenum</em>.