| Label | Id | |
|---|---|---|
| cyclic tetrapyrrole anion | http://purl.obolibrary.org/obo/CHEBI_58941 | |
| cyclic tetrapyrrole anions | http://purl.obolibrary.org/obo/CHEBI_58941 |
| Label | Id | |
|---|---|---|
| cyclic tetrapyrrole anion | http://purl.obolibrary.org/obo/CHEBI_58941 | |
| cyclic tetrapyrrole anions | http://purl.obolibrary.org/obo/CHEBI_58941 |