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.
Formula=C24H35N2O20PR4; SMILES=[C@H]1(O)[C@H](OC(=O)C[C@@H](*)O)[C@@H](NC(=O)C[C@@H](*)O)[C@@H](O[C@@H]1CO)OC[C@@H]2[C@H]([C@@H]([C@H]([C@H](O2)OP(=O)([O-])[O-])NC(=O)C[C@@H](*)O)OC(=O)C[C@@H](*)O)O; a lipid A disaccharide