| Label | Id | |
|---|---|---|
| PBO | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(oxytetramethylene) | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| polytetrahydrofuran | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(oxy-1,4-butylene) glycol | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(oxybutylene) glycol | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(tetramethylene ether) | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(tetramethylene glycol) | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Poly(tetramethylene oxide) | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Polybutylene glycol | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| Polytetramethylene glycol | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| poly(butylene oxide) | http://purl.obolibrary.org/obo/CHEBI_61603 | |
| poly(butylene oxide) polymer | http://purl.obolibrary.org/obo/CHEBI_61603 |