| Label | Id | |
|---|---|---|
| PEI | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| poly(ethyleneimine) | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| poly(iminoethylene) | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| polyethyleneimine | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| poly(ethylene imine) | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| poly-ethylene imine | http://purl.obolibrary.org/obo/CHEBI_53231 | |
| polyethylene imine | http://purl.obolibrary.org/obo/CHEBI_53231 |
