Hydroxyanthracene
Hydroxyanthracenes are a class of natural phenolic compounds. They can be found in Cassia alata and Cassia senna.
Image:Quinizarin.svg|220px|thumb|left|Quinizarin is one of the most common synthetic hydroxyanthacenes.
Hydroxyanthracenes are a class of natural phenolic compounds. They can be found in Cassia alata and Cassia senna.
Image:Quinizarin.svg|220px|thumb|left|Quinizarin is one of the most common synthetic hydroxyanthacenes.