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 organochlorine compound derived from methane, ethane or propane that contains atoms of carbon, chlorine, and fluorine only. They are nontoxic, nonflammable chemicals used in aerosol sprays and as refrigerants. Being ozone depletion agents, their manufacture and use is being phased out under the Montreal Protocol.