# isotopologue

> relationship between molecules that differ only in isotopic composition

**Wikidata**: [Q2198720](https://www.wikidata.org/wiki/Q2198720)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Isotopologue)  
**Source**: https://4ort.xyz/entity/isotopologue


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)