Hexahydroxynaphthoquinone

Hexahydroxynaphthoquinone can be any of several organic compounds, including:

Hexahydroxy-1,4-naphthalenedione (spinochrome E) Hexahydroxy-1,2-naphthalenedione Hexahydroxy-2,3-naphthalenedione Hexahydroxy-2,6-naphthalenedione