| Label | Id | |
|---|---|---|
| -CH2-CH2-CH2-CH2- | http://purl.obolibrary.org/obo/CHEBI_30963 | |
| butane-1,4-diyl | http://purl.obolibrary.org/obo/CHEBI_30963 | |
| butano | http://purl.obolibrary.org/obo/CHEBI_30963 | |
| tetramethylene | http://purl.obolibrary.org/obo/CHEBI_30963 | |
| tetramethylene group | http://purl.obolibrary.org/obo/CHEBI_30963 |
