The molecule is a trihydroxyanthraquinone that is 9,10-anthraquinone substituted by hydroxy groups at positions 1, 3 and 6 and a methyl group at position 2. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite.
1,3,6-trihydroxy-2-methylanthracene-9,10-dione