| Label | Id | |
|---|---|---|
| CCHH | http://purl.obolibrary.org/obo/CHEBI_73456 | |
| C-C-H-H | http://purl.obolibrary.org/obo/CHEBI_73456 | |
| Cys-Cys-His-His | http://purl.obolibrary.org/obo/CHEBI_73456 | |
| L-Cys-L-Cys-L-His-L-His | http://purl.obolibrary.org/obo/CHEBI_73456 | |
| L-cysteinyl-L-cysteinyl-L-histidyl-L-histidine | http://purl.obolibrary.org/obo/CHEBI_73456 |