| Label | Id | |
|---|---|---|
| (6R)-2-amino-6-[(1S,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydropteridin-4(1H)-one | http://purl.obolibrary.org/obo/CHEBI_64241 | |
| (6R)-L-threo-5,6,7,8-tetrahydrobiopterin | http://purl.obolibrary.org/obo/CHEBI_64241 | |
| (6R)-L-threo-tetrahydrobiopterin | http://purl.obolibrary.org/obo/CHEBI_64241 | |
| L-threo-5,6,7,8-tetrahydrobiopterin | http://purl.obolibrary.org/obo/CHEBI_64241 | |
| L-threo-tetrahydrobiopterin | http://purl.obolibrary.org/obo/CHEBI_64241 |
