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 member of the class of imidazoles that is 1H-imidazole substituted by methyl, nitro, and ({bis[(2-bromoethyl)amino]phosphoryl}oxy)methyl groups at positions 1, 2 and 5, respectively. It is a hypoxia-activated prodrug that targets hypoxic regions of tumors. The drug was being evaluated for first-line treatment of advanced pancreatic adenocarcinoma and advanced soft tissue sarcoma, in combination with chemotherapy (phase 3 trial now discontinued since the drug did not meet primary endpoints).