| Label | Id | |
|---|---|---|
| (2S)-2-ammonio-4-hydroxybutanoate | http://purl.obolibrary.org/obo/CHEBI_57476 | |
| (2S)-2-azaniumyl-4-hydroxybutanoate | http://purl.obolibrary.org/obo/CHEBI_57476 | |
| L-homoserine | http://purl.obolibrary.org/obo/CHEBI_57476 | |
| L-homoserine zwitterion | http://purl.obolibrary.org/obo/CHEBI_57476 |
