# polycyclic compound

> chemical compound having more than one ring

**Wikidata**: [Q426145](https://www.wikidata.org/wiki/Q426145)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polycyclic_compound)  
**Source**: https://4ort.xyz/entity/polycyclic-compound


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=63838)
3. Freebase Data Dumps. 2013
4. UMLS 2023
5. National Library of Israel Names and Subjects Authority File
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)