# Humic acid

> group of stereoisomers with the chemical formula C₉H₉NO₆

**Wikidata**: [Q105222995](https://www.wikidata.org/wiki/Q105222995)  
**Source**: https://4ort.xyz/entity/humic-acid-q105222995


## References

1. PubChem
2. Isolation of humic acid from the terrestrial plant Brugmansia sanguinea
3. UniChem