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 organic heteropentacyclic compound that is 5b,7,8,16-tetrahydro-6H,10H-pyrrolo[2,1-c]quinazolino[3,2-a][1,4]benzodiazepine substituted by a methoxy group at position 2 and oxo groups at positions 10 and 16 (the 5bS stereoisomer). An alkaloid isolated from the culture broth of Aspergillus ochraceus, it exhibits potent inhibitory activity towards mitochondrial NADH oxidase.