| Label | Id | |
|---|---|---|
| HP+ | http://purl.obolibrary.org/obo/CHEBI_29940 | |
| PH(+) | http://purl.obolibrary.org/obo/CHEBI_29940 | |
| [PH](+) | http://purl.obolibrary.org/obo/CHEBI_29940 | |
| hydridophosphorus(1+) | http://purl.obolibrary.org/obo/CHEBI_29940 | |
| phosphanyliumdiyl | http://purl.obolibrary.org/obo/CHEBI_29940 |
