| Label | Id | |
|---|---|---|
| PH2(+) | http://purl.obolibrary.org/obo/CHEBI_29937 | |
| PH2+ | http://purl.obolibrary.org/obo/CHEBI_29937 | |
| [PH2](+) | http://purl.obolibrary.org/obo/CHEBI_29937 | |
| dihydridophosphorus(1+) | http://purl.obolibrary.org/obo/CHEBI_29937 | |
| phosphanylium | http://purl.obolibrary.org/obo/CHEBI_29937 |
