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.
An organic heterotricyclic compound that is 7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-2-one substituted by a beta-hydroxy group at position 7 and two methyl groups at position 8. It is isolated from the roots of Angelica gigas and has been found to possess significant inhibitory activity against acetylcholinesterase enzyme (EC 3.1.1.7).