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 benzoylpyrazole that is 1H-pyrazole substituted by an ethyl, 3-(2-methoxyethoxy)-2-methyl-4-(methylsulfonyl)benzoyl, and a hydroxy group at positions 1, 4 and 5, respectively. It is the active metabolite of the proherbicide, tolpyralate.