| Label | Id | |
|---|---|---|
| L-histidine anion | http://purl.obolibrary.org/obo/CHEBI_32510 | |
| L-histidine monoanion | http://purl.obolibrary.org/obo/CHEBI_32510 | |
| hydrogen L-histidinate | http://purl.obolibrary.org/obo/CHEBI_32510 | |
| L-histidine dianion | http://purl.obolibrary.org/obo/CHEBI_32511 | |
| L-histidine dication | http://purl.obolibrary.org/obo/CHEBI_32512 | |
| L-histidine monocation | http://purl.obolibrary.org/obo/CHEBI_32513 | |
| L-histidyl group | http://purl.obolibrary.org/obo/CHEBI_32514 | |
| N(2)-L-histidino group | http://purl.obolibrary.org/obo/CHEBI_32515 | |
| N(pros)-L-histidino group | http://purl.obolibrary.org/obo/CHEBI_32516 | |
| N(tele)-L-histidino group | http://purl.obolibrary.org/obo/CHEBI_32517 | |
| N(2)-D-histidino group | http://purl.obolibrary.org/obo/CHEBI_32518 | |
| -His | http://purl.obolibrary.org/obo/CHEBI_32515 |