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 aromatic ketone that is metrafenone in which the 3-bromo-6-methoxy-2-methylphenyl group is replaced by a 5-chloro-2-methoxy-4-methylpyridin-3-yl group. It is a fungicide developed for the control of powdery mildew in cereals and grape vines.