| Label | Id | |
|---|---|---|
| 4-(2-ammonio-2-carboxyethyl)-1H-imidazol-3-ium | http://purl.obolibrary.org/obo/CHEBI_32532 | |
| histidinediium | http://purl.obolibrary.org/obo/CHEBI_32532 | |
| histidinium(2+) | http://purl.obolibrary.org/obo/CHEBI_32532 | |
| histidine dication | http://purl.obolibrary.org/obo/CHEBI_32532 |