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 monohydroxyanthraquinone that is anthraquinone in which the hydrogen atoms at positions 1, 2, 5 and 6 are replaced hydroxy, 3-methylbut-3-enamidyl, methoxy and methoxy groups, respectively. It is a natural product isolated from Streptomyces sp. SN-593, and shows moderate cytotoxicity against HL-60 and NRK cells.