| Label | Id | |
|---|---|---|
| H3S(+) | http://purl.obolibrary.org/obo/CHEBI_30488 | |
| 4-Carboxyphenylamine | http://purl.obolibrary.org/obo/CHEBI_30753 | |
| 4,4'-bipyridine | http://purl.obolibrary.org/obo/CHEBI_30985 | |
| 4,4'-bipyridyl | http://purl.obolibrary.org/obo/CHEBI_30985 | |
| 4,4'-bpy | http://purl.obolibrary.org/obo/CHEBI_30985 | |
| H3S(-) | http://purl.obolibrary.org/obo/CHEBI_30489 | |
| 4,4'-dipyridine | http://purl.obolibrary.org/obo/CHEBI_30985 | |
| 4,4'-dipyridyl | http://purl.obolibrary.org/obo/CHEBI_30985 | |
| 4-phospho-L-aspartate | http://purl.obolibrary.org/obo/CHEBI_30407 | |
| 4-carboxy-2-oxobutanoate | http://purl.obolibrary.org/obo/CHEBI_30916 | |
| 4-carboxy-3-hydroxy-3-methylbutanoate | http://purl.obolibrary.org/obo/CHEBI_30920 | |
| 4-carboxybenzoate | http://purl.obolibrary.org/obo/CHEBI_30801 | |
| 4-carboxyphenol | http://purl.obolibrary.org/obo/CHEBI_30763 | |
| 4-Hydroxybutanoate | http://purl.obolibrary.org/obo/CHEBI_30830 | |
| 4-pyridoxate | http://purl.obolibrary.org/obo/CHEBI_30959 |