| Label | Id | |
|---|---|---|
| 1-carboxy-2-mercaptoethanaminium | http://purl.obolibrary.org/obo/CHEBI_32458 | |
| 1-carboxy-2-sulfanylethanaminium | http://purl.obolibrary.org/obo/CHEBI_32458 | |
| H2cys(+) | http://purl.obolibrary.org/obo/CHEBI_32458 | |
| cysteinium | http://purl.obolibrary.org/obo/CHEBI_32458 | |
| cysteine cation | http://purl.obolibrary.org/obo/CHEBI_32458 |
