| Label | Id | |
|---|---|---|
| Magnesium protoporphyrin | http://purl.obolibrary.org/obo/CHEBI_15431 | |
| Mg-protoporphyrin IX | http://purl.obolibrary.org/obo/CHEBI_15431 | |
| magnesium protoporphyrin | http://purl.obolibrary.org/obo/CHEBI_15431 | |
| CID 91855333 | http://purl.obolibrary.org/obo/CHEBI_154315 | |
| PROTOPORPHYRIN IX CONTAINING MG | http://purl.obolibrary.org/obo/CHEBI_15431 | |
| Magnesium protoporphyrin IX | http://purl.obolibrary.org/obo/CHEBI_15431 |
