| Label | Id | |
|---|---|---|
| HP2H2O5(-) | http://purl.obolibrary.org/obo/CHEBI_33463 | |
| [(OH)P(H)(O)OP(H)(O)2](-) | http://purl.obolibrary.org/obo/CHEBI_33463 | |
| diphosphonate(1-) | http://purl.obolibrary.org/obo/CHEBI_33463 | |
| hydrogen diphosphonate | http://purl.obolibrary.org/obo/CHEBI_33463 |