The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
A disaccharide derivative that is 1,3,6-trihydroxy-2-methyl-9,10-anthraquinone attached to a alpha-L-rhamnopyranosyl-(1->2)-beta-D-glucopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from the roots of Rubia yunnanensis.