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 C-nitro compound that is (3Z)-3-[(2E)-2-methyl-3-(4-nitrophenyl)prop-2-en-1-ylidene]tetrahydrofuran which is substituted by a 6-methoxy-3,5-dimethyl-4-oxo-4H-pyran-2-yl group at position 5. It is isolated from the soil bacterium, Streptomyces thioluteus and exhibits antitumor, antifungal, and insecticidal activities.