# Citing UniChem If you wish to cite UniChem, please use the following reference... Chambers, J., Davies, M., Gaulton, A., Hersey, A., Velankar, S., Petryszak, R., Hastings, J., Bellis, L., McGlinchey, S. and Overington, J.P.\ **UniChem: A Unified Chemical Structure Cross-Referencing and Identifier Tracking System.**\ Journal of Cheminformatics 2013, **5**:3 (January 2013).\ DOI: 10.1186/1758-2946-5-3 ...a copy of which may be downloaded from here...\ \ \ If you wish to specifically cite UniChem Connectivity Search functionality, then please use the following reference... Chambers, J., Davies, M., Gaulton, A., Papadatos, G., Hersey and Overington, J.P.\ **UniChem: extension of InChI-based compound mapping to salt, connectivity and stereochemistry layers.**\ Journal of Cheminformatics 2014, **6**:43 (September 2014).\ DOI: 10.1186/s13321-014-0043-5 ...a copy of which may be downloaded from here...\ \
--- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://chembl.gitbook.io/unichem/citing-unichem.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.