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 butenolide that is furan-2(5H)-one substituted by a hydroxymethyl group at position 3 and a methyl group at position 4. Isolated from an edible mushroom Mycoleptodonoides aitchisonii, it exhibits protective activity against endoplasmic reticulum (ER) stress dependent cell death.